MLA
Tuck, Raphael, and Sons. Saratoga, N.Y., Hathorn Spring. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 71. https://digital.library.emory.edu/purl/955m905qj0-cor.
APA, 6th edition
Tuck, R., & S. Saratoga, N.Y., Hathorn Spring (Box 71) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/955m905qj0-cor.
Chicago
Tuck, Raphael, and Sons. “Saratoga, N.Y., Hathorn Spring.” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 71. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/955m905qj0-cor.