MLA
An African American Young Man in a Suit, with His Right Hand on a Stone, Standing in Front of a Window. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/064tht76kn-cor.
APA, 6th edition
An African American young man in a suit, with his right hand on a stone, standing in front of a window (Box 72). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/064tht76kn-cor.
Chicago
“An African American Young Man in a Suit, with His Right Hand on a Stone, Standing in Front of a Window.” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 72. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/064tht76kn-cor.