MLA
Performing Arts: Glee Club - Sigma Chi Students Singing. 1940. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 23, Folder 9. https://digital.library.emory.edu/purl/24298sf8hw-cor.
APA, 6th edition
Performing arts: Glee Club - Sigma Chi students singing (Box 23, Folder 9). (1940). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/24298sf8hw-cor.
Chicago
“Performing Arts: Glee Club - Sigma Chi Students Singing.” Black-and-white photographs. EU Office of Alumni Publications Photos Deposit Collection 2 , 1940. Box 23, Folder 9. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/24298sf8hw-cor.