MLA
Marschall, M. Entrance to Phoenix Park, Jacksonville, Fla. 1912. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 71. https://digital.library.emory.edu/purl/28380gb5p5-cor.
APA, 6th edition
Marschall, M. (1912). Entrance to Phoenix Park, Jacksonville, Fla. (Box 71) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/28380gb5p5-cor.
Chicago
Marschall, M. “Entrance to Phoenix Park, Jacksonville, Fla.” Postcards. Robert Langmuir African American Photograph Collection, 1912. Box 71. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/28380gb5p5-cor.