MLA
D. Van Wagenen (Savannah, Ga.). A horseless carriage : two African American boys in a carriage attached to a bull. June 1902. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0924b8gtm0-cor.
APA, 6th edition
D. Van Wagenen (Savannah, Ga.). (June 1902)[A horseless carriage : two African American boys in a carriage attached to a bull]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0924b8gtm0-cor.
Chicago
D. Van Wagenen (Savannah, Ga.), A horseless carriage : two African American boys in a carriage attached to a bull, June 1902, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0924b8gtm0-cor.