MLA
An African American Trumpet Player. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 70. https://digital.library.emory.edu/purl/791sf7m0h7-cor.
APA, 6th edition
An African American trumpet player (Box 70). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/791sf7m0h7-cor.
Chicago
“An African American Trumpet Player.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 70. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/791sf7m0h7-cor.