MLA
Marian Anderson Singing on a Stage in Atlantic City, in Front of an Audience. 1941. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 39. https://digital.library.emory.edu/purl/385n8pk0tp-cor.
APA, 6th edition
Marian Anderson singing on a stage in Atlantic City, in front of an audience (Box 39). (1941). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/385n8pk0tp-cor.
Chicago
“Marian Anderson Singing on a Stage in Atlantic City, in Front of an Audience.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, 1941. Box 39. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/385n8pk0tp-cor.