MLA
History Alumni - Portrait of Emory President Sidney Walter Martin. 1957. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 27, Folder 1. https://digital.library.emory.edu/purl/938jdfn3xc-cor.
APA, 6th edition
History alumni - Portrait of Emory President Sidney Walter Martin (Box 27, Folder 1). (1957). [Paintings (visual works)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/938jdfn3xc-cor.
Chicago
“History Alumni - Portrait of Emory President Sidney Walter Martin.” Paintings (visual works). EU Office of Alumni Publications Photos Deposit Collection 2 , 1957. Box 27, Folder 1. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/938jdfn3xc-cor.