MLA
Brothers, Lane. Military: Air Force ROTC - Marines Stand in Field. Emory University. Office of Alumni Publications., 1949. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 25, Folder 1. https://digital.library.emory.edu/purl/245q83bm05-cor.
APA, 6th edition
Brothers, L. (1949). Military: Air Force ROTC - Marines stand in field (Box 25, Folder 1) [Black-and-white photographs]. Emory University. Office of Alumni Publications.; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/245q83bm05-cor.
Chicago
Brothers, Lane. “Military: Air Force ROTC - Marines Stand in Field.” Black-and-white photographs. EU Office of Alumni Publications Photos Deposit Collection 2 . Emory University. Office of Alumni Publications., 1949. Box 25, Folder 1. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/245q83bm05-cor.