Finding images licensed for re-use has become easier. Here are some sites to explore:
For presentations and less formal image use, use a name, title and link.
For formal citations for papers, documentation, reports etc., use the link below.
More information on citing images found on the web with examples for Flickr and Creative Commons images. Help with ALA, MLA and Chicago style citations here.
Thanks to Julia Gelfand and her UCI Subject Guide for most of the content here.
Thanks to Julia Gelfand and her UCI Subject Guide.