MLA
Degracia, Dennis. Inter-Fraternity and Sorority Activities - Pi Kappa Alpha Students with Popeye Float. 1970. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 17, Folder 2. https://digital.library.emory.edu/purl/856n02v7pd-cor.
APA, 6th edition
Degracia, D. (1970). Inter-fraternity and sorority activities - Pi Kappa Alpha students with Popeye float (Box 17, Folder 2) [Color photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/856n02v7pd-cor.
Chicago
Degracia, Dennis. “Inter-Fraternity and Sorority Activities - Pi Kappa Alpha Students with Popeye Float.” Color photographs. EU Office of Alumni Publications Photos Deposit Collection 1, 1970. Box 17, Folder 2. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/856n02v7pd-cor.