MLA
Asheville Post Card Co. (Asheville, N.C.). A wagon-load of compressed cotton in Dixieland : two African American men sitting on top of a wagon loaded with cotton pulled by two mules on a dirt road lined by a wooden fence [hand colored]. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/907tmpg4jc-cor.
APA, 6th edition
Asheville Post Card Co. (Asheville, N.C.). (unknown)[A wagon-load of compressed cotton in Dixieland : two African American men sitting on top of a wagon loaded with cotton pulled by two mules on a dirt road lined by a wooden fence [hand colored]]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/907tmpg4jc-cor.
Chicago
Asheville Post Card Co. (Asheville, N.C.), A wagon-load of compressed cotton in Dixieland : two African American men sitting on top of a wagon loaded with cotton pulled by two mules on a dirt road lined by a wooden fence [hand colored], unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/907tmpg4jc-cor.