Chicago Manual of Style Format:
[Identification of item, date]. Box number, Werner von Boltenstern Postcard Collection, Department of Archives and Special Collections, William H. Hannon Library, Loyola Marymount University, Los Angeles, CA.
Example (A postcard with the caption “A Street Scene at Venice, Cal.” dating to approximately 1911):
A Street Scene at Venice, Cal., circa 1911. Box V-4, Werner von Boltenstern Postcard Collection, Department of Archives and Special Collections, William H. Hannon Library, Loyola Marymount University, Los Angeles, CA.
Fig. 1. Giuseppe Arcimboldo, Vegetable Gardener, 1580's. Oil on panel, 35.8 x 24.2 cm, Museo Civico Ala Ponzone di Cremona. Reproduced from ArtStor, http://www.artstor.org (accessed Febuary 22, 2009).
To cite your image in-text:
Reference illustrations with a parenthetical reference at the end of a sentence, including the abbreviation for figure in lowercase letters, as follows (fig. 1).
If you reproduce images from a print source then replace the "Reproduced from ArtStor" credit line at the end of the caption with a credit line for the book, with page number, as below.
Reproduced from Werner Kriegeskorte, Giuseppe Arcimboldo, 1527-1593 (Los Angeles: Taschen, 2004), 72.
(Originally adapted from CiteSource at Trinity College [no longer supported link], please refer the libguide from West Virginia University with similar information and this tip sheet from the Chicago Manual of Style of how the figures should look on your paper)
To avoid plagiarism, you must give credit whenever you use