MLA
24th U.S. Infantry Passing through Watertown, N.Y. 1910. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 70. https://digital.library.emory.edu/purl/4881jwsttq-cor.
APA, 6th edition
24th U.S. Infantry passing through Watertown, N.Y. (Box 70). (1910). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4881jwsttq-cor.
Chicago
“24th U.S. Infantry Passing through Watertown, N.Y.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1910. Box 70. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4881jwsttq-cor.