MLA
African American Man Standing on the Pedals of an Upside down Bicycle. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 74. https://digital.library.emory.edu/purl/436tx95x88-cor.
APA, 6th edition
African American man standing on the pedals of an upside down bicycle (Box 74). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/436tx95x88-cor.
Chicago
“African American Man Standing on the Pedals of an Upside down Bicycle.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 74. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/436tx95x88-cor.