MLA
Publisher., G. W. Morris. Florida Chums : African American Boy and an Alligator [Hand Colored]. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 69. https://digital.library.emory.edu/purl/7612ngf1zz-cor.
APA, 6th edition
Publisher., G. W. M. Florida chums : African American boy and an alligator [hand colored] (Box 69) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7612ngf1zz-cor.
Chicago
Publisher., G. W. Morris. “Florida Chums : African American Boy and an Alligator [Hand Colored].” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 69. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7612ngf1zz-cor.