MLA
E. Frey & Co. (N.Y.). A hut in the wilderness : an African American child in a grass hut : with a rooster on the ground [hand colored]. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/863fxpnw04-cor.
APA, 6th edition
E. Frey & Co. (N.Y.). (unknown)[A hut in the wilderness : an African American child in a grass hut : with a rooster on the ground [hand colored]]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/863fxpnw04-cor.
Chicago
E. Frey & Co. (N.Y.), A hut in the wilderness : an African American child in a grass hut : with a rooster on the ground [hand colored], unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/863fxpnw04-cor.