MLA
Harper, Marvin H., Jr. Romance Languages - Students Learning at the Foreign Language Laboratory in the Physics Building. Emory University. Office of Alumni Publications., 1951. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 12, Folder 9. https://digital.library.emory.edu/purl/7375tb2s37-cor.
APA, 6th edition
Harper, M. H., Jr. (1951). Romance Languages - Students learning at the Foreign Language Laboratory in the Physics building (Box 12, Folder 9) [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/7375tb2s37-cor.
Chicago
Harper, Marvin H., Jr. “Romance Languages - Students Learning at the Foreign Language Laboratory in the Physics Building.” Black-and-white photographs. EU Office of Alumni Publications Photos Deposit Collection 1. Emory University. Office of Alumni Publications., 1951. Box 12, Folder 9. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7375tb2s37-cor.