MLA
Marion Anderson in a Dress Singing with a Music Stand and RCA Victor Microphone in Front of Her. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 27. https://digital.library.emory.edu/purl/071ngf1vmr-cor.
APA, 6th edition
Marion Anderson in a dress singing with a music stand and RCA Victor microphone in front of her (Box 27). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/071ngf1vmr-cor.
Chicago
“Marion Anderson in a Dress Singing with a Music Stand and RCA Victor Microphone in Front of Her.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 27. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/071ngf1vmr-cor.