MLA
Ernest Petenaud, a Maitre d', Tipping His Hat in the U.S. Capitol Building. 1968. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 30. https://digital.library.emory.edu/purl/610wpzgmzp-cor.
APA, 6th edition
Ernest Petenaud, a maitre d', tipping his hat in the U.S. Capitol building (Box 30). (1968). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/610wpzgmzp-cor.
Chicago
“Ernest Petenaud, a Maitre d', Tipping His Hat in the U.S. Capitol Building.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, 1968. Box 30. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/610wpzgmzp-cor.