MLA
Identified Speakers and Entertainers - Cheech & Chong, Comedians. 1970. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 6, Folder 13. https://digital.library.emory.edu/purl/764gmsbd0x-cor.
APA, 6th edition
Identified Speakers and Entertainers - Cheech & Chong, comedians (Box 6, Folder 13). (1970). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/764gmsbd0x-cor.
Chicago
“Identified Speakers and Entertainers - Cheech & Chong, Comedians.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs, 1970. Box 6, Folder 13. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/764gmsbd0x-cor.