MLA
Prator, L. R. Moss Lake Farm near Fort Valley, Ga. 1912. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 68. https://digital.library.emory.edu/purl/5870vt4bc5-cor.
APA, 6th edition
Prator, L. R. (1912). Moss Lake Farm near Fort Valley, Ga. (Box 68) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/5870vt4bc5-cor.
Chicago
Prator, L. R. “Moss Lake Farm near Fort Valley, Ga.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1912. Box 68. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/5870vt4bc5-cor.