The Publication Manual of the American Psychological Association does not give explicit instructions on how to cite images or artwork. These examples were compiled using There's an art to it and How to cite something you found on a website in APA style, posts on the APA Style Blog.
Artist's last name, Artist's initials. (Year). Title of the Work [Medium of composition]. City where the work is located or held: Name of institution where work is housed or name of collection.
Da Vinci, L. (1503-1519). Mona Lisa [Painting]. Paris, France: Musée du Louvre.
If the art is only viewed online, replace the location information with Retrieved from URL:
Da Vinci, L. (1503-1519). Mona Lisa [Painting]. Retrieved from http://www.louvre.fr/en/oeuvre-notices/mona-lisa-portrait-lisa-gherardini-wife-francesco-del-giocondo
If you are citing an artwork found in a book, cite the book only. Your in-text citation will include the page number to direct your reader to the artwork.
Use the same format as you would for a standard web source.
Airwolfhound. (2011, February) Squirrel - Explored :-). Retrieved from https://www.flickr.com/photos/24874528@N04/5463003690/