MLA
Asheville Post Card Co. (Asheville, N.C.). A negro cabin in the south : African American women and children posing outside a log cabin, surrounded by bushes and trees. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/9010p2nghb-cor.
APA, 6th edition
Asheville Post Card Co. (Asheville, N.C.). (unknown)[A negro cabin in the south : African American women and children posing outside a log cabin, surrounded by bushes and trees]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/9010p2nghb-cor.
Chicago
Asheville Post Card Co. (Asheville, N.C.), A negro cabin in the south : African American women and children posing outside a log cabin, surrounded by bushes and trees, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/9010p2nghb-cor.