MLA
Eagle Post Card View Co. (N.Y.). Three Boy Scouts putting a saddle on a donkey at a Ten Mile River Scout Camp. July 20, 1951. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/10966t1g4c-cor.
APA, 6th edition
Eagle Post Card View Co. (N.Y.). (July 20, 1951)[Three Boy Scouts putting a saddle on a donkey at a Ten Mile River Scout Camp]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/10966t1g4c-cor.
Chicago
Eagle Post Card View Co. (N.Y.), Three Boy Scouts putting a saddle on a donkey at a Ten Mile River Scout Camp, July 20, 1951, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/10966t1g4c-cor.