MLA
Colourpicture Publishers (Firm). Greetings from Gloucester, Va. : a group of men fishing, another group out in a boat on the water. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/839k3j9kj7-cor.
APA, 6th edition
Colourpicture Publishers (Firm). (unknown)[Greetings from Gloucester, Va. : a group of men fishing, another group out in a boat on the water]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/839k3j9kj7-cor.
Chicago
Colourpicture Publishers (Firm), Greetings from Gloucester, Va. : a group of men fishing, another group out in a boat on the water, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/839k3j9kj7-cor.