MLA
Duncan, Bob, and Emory University Photographic Services. Students, Individuals - Marsha Houston Reads ???Elizabeth Umpstead??? by Carl Sandburg at an Emory Banquet. Emory University. Office of Alumni Publications., 1966. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 15, Folder 1. https://digital.library.emory.edu/purl/7032280h21-cor.
APA, 6th edition
Duncan, B., & Services, E. U. P. (1966). Students, individuals - Marsha Houston reads ???Elizabeth Umpstead??? by Carl Sandburg at an Emory banquet (Box 15, 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/7032280h21-cor.
Chicago
Duncan, Bob, and Emory University Photographic Services. “Students, Individuals - Marsha Houston Reads ???Elizabeth Umpstead??? by Carl Sandburg at an Emory Banquet.” Black-and-white photographs. EU Office of Alumni Publications Photos Deposit Collection 1. Emory University. Office of Alumni Publications., 1966. Box 15, Folder 1. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7032280h21-cor.