MLA
Savoy. Two African American Men in Suits and Two African American Women in Dresses Standing in Front of a Fake Window with Curtains underneath a Sign Which Says Original Peter Pan May 5 1956. 1956. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 54. https://digital.library.emory.edu/purl/887brv15kp-cor.
APA, 6th edition
S. (1956). Two African American men in suits and two African American women in dresses standing in front of a fake window with curtains underneath a sign which says Original Peter Pan May 5 1956 (Box 54) [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/887brv15kp-cor.
Chicago
Savoy. “Two African American Men in Suits and Two African American Women in Dresses Standing in Front of a Fake Window with Curtains underneath a Sign Which Says Original Peter Pan May 5 1956.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, 1956. Box 54. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/887brv15kp-cor.