MLA
Troupe of Men Wearing Military Uniforms Posing Together. 1909. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 70. https://digital.library.emory.edu/purl/781jh9w10p-cor.
APA, 6th edition
Troupe of men wearing military uniforms posing together (Box 70). (1909). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/781jh9w10p-cor.
Chicago
“Troupe of Men Wearing Military Uniforms Posing Together.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1909. Box 70. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/781jh9w10p-cor.