MLA
Rowton, Charles E. Fishing on the St. Johns, Florida. 1906. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 70. https://digital.library.emory.edu/purl/986b2rbp3n-cor.
APA, 6th edition
Rowton, C. E. (1906). Fishing on the St. Johns, Florida (Box 70) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/986b2rbp3n-cor.
Chicago
Rowton, Charles E. “Fishing on the St. Johns, Florida.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1906. Box 70. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/986b2rbp3n-cor.