MLA
La Mon, W. Entrekin. Clifford Holding His Hat and Leaning on a Pedestal. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 73. https://digital.library.emory.edu/purl/296wwpzgpp-cor.
APA, 6th edition
La Mon, W. E. Clifford holding his hat and leaning on a pedestal (Box 73) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/296wwpzgpp-cor.
Chicago
Mon, W. Entrekin. La. “Clifford Holding His Hat and Leaning on a Pedestal.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 73. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/296wwpzgpp-cor.