Note: Images are information and the intellectual property of their creator. When using images in academic papers and presentations we must attribute the work to its creator and cite it as we would a print or electronic resource. If you have questions about how to cite images, please contact your librarian.
In general, the following details are necessary for any image citation, no matter which citation style you choose:
Copied from the Berkeley Library Image Research Guide: http://guides.lib.berkeley.edu/c.php?g=384152&p=2603986