MLA
Sneed, James J. School of Theology - Crowd Sitting around Tree. 1940. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 13, Folder 1. https://digital.library.emory.edu/purl/3009w0vtt8-cor.
APA, 6th edition
Sneed, J. J. (1940). School of Theology - Crowd sitting around tree (Box 13, Folder 1) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3009w0vtt8-cor.
Chicago
Sneed, James J. “School of Theology - Crowd Sitting around Tree.” Black-and-white photographs. EU Office of Alumni Publications Photos Deposit Collection 1, 1940. Box 13, Folder 1. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3009w0vtt8-cor.