MLA
Two African American Women in Matching Dresses Posing Together, One Sitting in a Chair, the Other Standing behind Her. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 73. https://digital.library.emory.edu/purl/81937pvmft-cor.
APA, 6th edition
Two African American women in matching dresses posing together, one sitting in a chair, the other standing behind her (Box 73). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/81937pvmft-cor.
Chicago
“Two African American Women in Matching Dresses Posing Together, One Sitting in a Chair, the Other Standing behind Her.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 73. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/81937pvmft-cor.