MLA
Harris, Martin. W.P.A. Negro Theater Goers, with Two Men and Two Women in Dresses and Suits. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 39. https://digital.library.emory.edu/purl/7719kd51hm-cor.
APA, 6th edition
Harris, M. W.P.A. Negro Theater goers, with two men and two women in dresses and suits (Box 39) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7719kd51hm-cor.
Chicago
Harris, Martin. “W.P.A. Negro Theater Goers, with Two Men and Two Women in Dresses and Suits.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 39. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7719kd51hm-cor.