MLA
Bob's. Family Portrait of Bob and Marilyn Harrison and Their Children, Keith, Carol, Adrien and David. 1969. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 74. https://digital.library.emory.edu/purl/5870vt4bbg-cor.
APA, 6th edition
B. (1969). Family portrait of Bob and Marilyn Harrison and their children, Keith, Carol, Adrien and David (Box 74) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/5870vt4bbg-cor.
Chicago
Bob's. “Family Portrait of Bob and Marilyn Harrison and Their Children, Keith, Carol, Adrien and David.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1969. Box 74. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/5870vt4bbg-cor.