MLA
Abresch, J. Identified Speakers and Entertainers - Beaux Arts Trio. 1955. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 7, Folder 1. https://digital.library.emory.edu/purl/180vq83c4w-cor.
APA, 6th edition
Abresch, J. (1955). Identified Speakers and Entertainers - Beaux Arts Trio (Box 7, Folder 1) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/180vq83c4w-cor.
Chicago
Abresch, J. “Identified Speakers and Entertainers - Beaux Arts Trio.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs, 1955. Box 7, Folder 1. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/180vq83c4w-cor.