Graphic Art
From Turabian Style Manual - Chicago Style Manual does not tell how to cite graphic art.
See examples below:
Notes-Bibliography Style
1st Footnote or Endnote
12. Toyota, "We See beyond Cars" (advertisement), Architectural Digest,
January 2010, 57.
Bibliography
Usually not cited in bibliography.
Author-Date Style
1st Parenthetical Note
(Toyota 2010, 57)
Reference List
Toyota, 2010, "We See beyond Cars" (advertisement). Architectural Digest,
January, 57.