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Find & Cite Images
As a Lake Forest College student, you have access to hundreds of online databases and journals having images of a much higher resolution than many of the search engines on the Internet. These journals also have reliable documentation as to the source and subject of the image, and so are easier to cite correctly.
You can link to these images without violating copyright laws, but if you save a copy of an image, you will have to determine if copyright permission needs to be requested. Be sure to cite the source as you would any quotation.
Be sure to credit the source of the image, and be sure that you will not be violating copyright by publicly reproducing or displaying the image; ask permission, and document that permission was granted.
Wikimedia Commons Images are contributed by photographers who have the authority and desire to offer copyright-free images. Give a link to the image in Wikimedia Commons and, when available, the name of the creator of the item.
PNAS Online (the Proceedings of the National Academy of Sciences) has high resolution images if you click on the Full Text or Figures Only links to an article. Do not click on the Full Text (PDF) link. PNAS has images of higher quality and greater credibility than any you will typically find via the Internet search engines. For example, see figure 1. Permission is granted to use the images for educational purposes.
Science has a wealth of high resolution images. You must request permission to use these images for display purposes, for example, for Student Symposium.
Google’s Advanced Image Search: For Size, select Large. For Usage Rights, select “free to use.”
Use Google’s main image search to find the origin of an online image or a larger version:
In the search box, click the camera icon to search by an image’s URL or to upload an image from your computer.
CalPhotos:Animals (part of the Berkeley Digital Library Project)
Prints and Photographs Reading Room (Library of Congress) does not have scientific images at this time, but included in this digital collection are images from the early days of the conservation movement. Most are free to use for educational purposes.
Most images in professional journal articles are created by the author of the article.
Here are two examples of journal articles that have cited images created by someone other than the author of the article:
The figure at the bottom of page 423 (page 6 of the PDF) of a review article in the journal Genes & Development has a lengthy caption that ends with “Reproduced from Thakur et al. (2008a) with permission (originally published in Nature, http://www.nature.com).” At the top of page 432 is the complete reference for Thakur.
An article from the journal Trends in Ecology and Evolution has a figure that reproduces several images. At the end of the caption, credit is given: “Reproduced with permission from (a) H.E. Hoekstra and (c) J.L. Feder.” Because APA style is not used, the references for Hoekstra and Feder are not found alphabetically in the references, but they are included (see reference numbers 25 and 68 on the last page of the article).
Here are two examples of citing images found on the Internet and used in a research paper or poster:
This example includes the citation in the caption; no footnote is used. This image’s citation has the Internet address to the page where the image is published, which includes additional information about the image. However, Internet addresses can change, and content can be removed, so it is best to include a date of retrieval in your references. This and other images were scheduled for removal in January 2012 due to budget cuts.
Here is an example similar to the one above, but still available online:
Here are two examples of citing images found on the Internet and reproduced on a website, PowerPoint presentation, or online journal:
Figure 4. Life in Research Daily Cartoon #76. © 2008 Life in Research, LLC. Used with permission.
Accurate citation of sources is a good way to avoid plagiarsm and its consequences.
Copyright is different than plagiarism, but both involve academic honesty.
If you want to reproduce the image in a research paper, PowerPoint presentation, or a poster, find the copyright instructions for the individual journal and/or database (or website).
Frequently you can just do a search for the word copyright or the word permission, using the Find (Ctrl+F) command.
Some journals will give immediate permission to use the images for educational purposes, provided the source is credited properly.
Others require you to contact the author and/or publisher; generally contact information is provided, and replies to copyright requests are speedy.
For example, the photographers whose images appear at CalPhotos Fauna and CalPhotos Flora, indicate that anyone may use any of their thumbnail-sized images for academic purposes without prior permission, but to use the high resolution photo (e.g. for a poster) the photographer must be contacted. Click details to find the photographer’s contact information.
Read Using the Photos in CalPhotos for a concise explanation of copyright law and using online images, which would apply to other sites’ images as well.