MLA
Cobb, Parcival. Aerial Campus Photographs - Emory's Main Campus. 1930. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 3, Folder 2. https://digital.library.emory.edu/purl/245q83bkn6-cor.
APA, 6th edition
Cobb, P. (1930). Aerial campus photographs - Emory's main campus (Box 3, Folder 2) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/245q83bkn6-cor.
Chicago
Cobb, Parcival. “Aerial Campus Photographs - Emory's Main Campus.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs, 1930. Box 3, Folder 2. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/245q83bkn6-cor.