1) Chicago Manual of Style Online (17th ed.)
2) Two systems of documentation are allowed 1) Notes (endnotes OR footnotes) with Bibliography 2) author-date system; information on citing images refers most often to using the Notes system
3) Shop Talk blog posting from the Chicago Manual of Style; includes endnote or footnote examples, and mentions that the following elements are needed:
- name of artist
- title of artwork (italics)
- year made
- medium (e.g. oil on canvas)
- size (e.g. 36 x 30 inches)
- where it lives (museum, gallery etc.)
- date found (if online)
- URL (if online)
- book title (if in book)
- page number (if in book)