MLA
Brothers, Lane. Commencement, Pre-1940 - Faculty Leading Graduation Procession. 1935. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 4, Folder 1. https://digital.library.emory.edu/purl/419s1rn982-cor.
APA, 6th edition
Brothers, L. (1935). Commencement, pre-1940 - Faculty leading graduation procession (Box 4, Folder 1) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/419s1rn982-cor.
Chicago
Brothers, Lane. “Commencement, Pre-1940 - Faculty Leading Graduation Procession.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs, 1935. Box 4, Folder 1. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/419s1rn982-cor.