MLA
Rotograph Co. (New York, N.Y.). Take a ride : an African American boy sitting in a wagon and another boy pushing him. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/187pnvx0mt-cor.
APA, 6th edition
Rotograph Co. (New York, N.Y.). (unknown)[Take a ride : an African American boy sitting in a wagon and another boy pushing him]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/187pnvx0mt-cor.
Chicago
Rotograph Co. (New York, N.Y.), Take a ride : an African American boy sitting in a wagon and another boy pushing him, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/187pnvx0mt-cor.