MLA
Duval News Company (Jacksonville, Fla.). Alligators a' plenty, St. Augustine, Fla. [hand colored]. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/784zgmsbgz-cor.
APA, 6th edition
Duval News Company (Jacksonville, Fla.). (unknown)[Alligators a' plenty, St. Augustine, Fla. [hand colored]]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/784zgmsbgz-cor.
Chicago
Duval News Company (Jacksonville, Fla.), Alligators a' plenty, St. Augustine, Fla. [hand colored], unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/784zgmsbgz-cor.