MLA
Identified Speakers and Entertainers - N. C. Oatridge and Albert E. Holdsworth, Debate Team from Cambridge University. 1930. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 7, Folder 1. https://digital.library.emory.edu/purl/129p2ngfn6-cor.
APA, 6th edition
Identified Speakers and Entertainers - N. C. Oatridge and Albert E. Holdsworth, debate team from Cambridge University (Box 7, Folder 1). (1930). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/129p2ngfn6-cor.
Chicago
“Identified Speakers and Entertainers - N. C. Oatridge and Albert E. Holdsworth, Debate Team from Cambridge University.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs, 1930. Box 7, Folder 1. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/129p2ngfn6-cor.