If you include illustrations, for example, created by someone else in your ETD, you must appropriately cite the source of each figure, table, photo, etc., and provide documentation of permission to use, fair use, public domain, and/or a statement of ownership.
Best Practices for Attribution, Creative Commons
Style and Citation Guides: Follow the style guide your department recommends.
Citations usually have this information about the original source of the image:
Perma.cc is a tool offered by the University Libraries to prevent link rot in scholarship.
Include an annotated list of illustrations (e.g., figures, tables, photographs, and the like) in the style and format your department/program area/college prefers. Citations should include:
Fig. 7. Foster, Patrick N. “Classifying Approaches to and Philosophies of Elementary-School Technology Education.”
Journal of Technology Education, 8(2): 31. http://scholar.lib.vt.edu/ejournals/JTE/v8n2/pdf/foster.pdf. Fair Use determination attached.
Fig. 5. Walters, Sam. North Main Street Business Fronts, Blacksburg, Virginia. Virginia Tech April 16, 2007 Memorial Archive. Digital
Library and Archives, University Libraries, Virginia Tech. http://hdl.rutgers.edu/1782.1/rucore00000001007. Photograph.14954 Used with permission from the Digital Library and archives; email attached.