MLA
Legerton, C. L. Perfect Bliss : African American Man with Sliced Watermelons. 1900. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 69. https://digital.library.emory.edu/purl/996k0p2nm4-cor.
APA, 6th edition
Legerton, C. L. (1900). Perfect bliss : African American man with sliced watermelons (Box 69) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/996k0p2nm4-cor.
Chicago
Legerton, C. L. “Perfect Bliss : African American Man with Sliced Watermelons.” Postcards. Robert Langmuir African American Photograph Collection, 1900. Box 69. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/996k0p2nm4-cor.