MLA
Protests - Students Marching with "Free the Hostages" Signs. 1979. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 6, Folder 9. https://digital.library.emory.edu/purl/245q83bkpn-cor.
APA, 6th edition
Protests - Students marching with "free the hostages" signs (Box 6, Folder 9). (1979). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/245q83bkpn-cor.
Chicago
“Protests - Students Marching with ‘Free the Hostages’ Signs.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs, 1979. Box 6, Folder 9. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/245q83bkpn-cor.