MLA
Newsboy. Peter Jackson in a Boxing Pose. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 62. https://digital.library.emory.edu/purl/648ffbg7d6-cor.
APA, 6th edition
N. Peter Jackson in a boxing pose (Box 62) [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/648ffbg7d6-cor.
Chicago
Newsboy. “Peter Jackson in a Boxing Pose.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 62. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/648ffbg7d6-cor.