MLA
Cochrane's Book Store (Palatka, Fla.). Boating on St. Johns River, Florida in January : three African American men in a boat. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4579s4mw8k-cor.
APA, 6th edition
Cochrane's Book Store (Palatka, Fla.). (unknown)[Boating on St. Johns River, Florida in January : three African American men in a boat]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4579s4mw8k-cor.
Chicago
Cochrane's Book Store (Palatka, Fla.), Boating on St. Johns River, Florida in January : three African American men in a boat, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4579s4mw8k-cor.