How do you cite a picture in mla format?

What is the correct way to cite a picture (advertisiment) in MLA format?

• im working on a paper and i need to quote the slogans found in the advertisement, is there a way to cite this in the document like a regular quote. thanks a bunch

• Answer:

  if it's a picture ad in a magazine, you would probably call it something like: "Gap advertisement." Vogue. Vol 20, no. 3. March 2006. for more info, see: http://owl.english.purdue.edu/owl/resource/557/01/