MLA
Cochrane's Book Store (Palatka, Fla.). Turtles and sponges in Florida : African American men and boys standing around five turtles, four of them on their backs [hand colored]. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3009w0vt7g-cor.
APA, 6th edition
Cochrane's Book Store (Palatka, Fla.). (unknown)[Turtles and sponges in Florida : African American men and boys standing around five turtles, four of them on their backs [hand colored]]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3009w0vt7g-cor.
Chicago
Cochrane's Book Store (Palatka, Fla.), Turtles and sponges in Florida : African American men and boys standing around five turtles, four of them on their backs [hand colored], unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3009w0vt7g-cor.