MLA
Fred Collins, Sam Alexander, and Robert Day on 15th and Catherine St. in Philadelpia, Pa., 1929. 1929. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 15. https://digital.library.emory.edu/purl/187pnvx0rf-cor.
APA, 6th edition
Fred Collins, Sam Alexander, and Robert Day on 15th and Catherine St. in Philadelpia, Pa., 1929 (Box 15). (1929). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/187pnvx0rf-cor.
Chicago
“Fred Collins, Sam Alexander, and Robert Day on 15th and Catherine St. in Philadelpia, Pa., 1929.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, 1929. Box 15. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/187pnvx0rf-cor.