MLA
V. O. Hammon Pub. Co. (Chicago, Ill.). Fish hatcheries, Forest Park, St. Louis, Mo.. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3655dv41rw-cor.
APA, 6th edition
V. O. Hammon Pub. Co. (Chicago, Ill.). (unknown)[Fish hatcheries, Forest Park, St. Louis, Mo.]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3655dv41rw-cor.
Chicago
V. O. Hammon Pub. Co. (Chicago, Ill.), Fish hatcheries, Forest Park, St. Louis, Mo., unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3655dv41rw-cor.