MLA
Simmons, H. D. Large Crowd of African American Men and Women Standing in Front of a Church. 1908. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 33. https://digital.library.emory.edu/purl/180vq83bq8-cor.
APA, 6th edition
Simmons, H. D. (1908). Large crowd of African American men and women standing in front of a church (Box 33) [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/180vq83bq8-cor.
Chicago
Simmons, H. D. “Large Crowd of African American Men and Women Standing in Front of a Church.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, 1908. Box 33. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/180vq83bq8-cor.