MLA
Wardell, G. R. A Young African American Girl, in a Dress with a Plaid Pattern. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 61. https://digital.library.emory.edu/purl/518rbnzsbk-cor.
APA, 6th edition
Wardell, G. R. A young African American girl, in a dress with a plaid pattern (Box 61) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/518rbnzsbk-cor.
Chicago
Wardell, G. R. “A Young African American Girl, in a Dress with a Plaid Pattern.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 61. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/518rbnzsbk-cor.