MLA
Rotograph Co. (New York, N.Y.). The first building erected at the Jamestown Exposition : with two African American men. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3074tmpg83-cor.
APA, 6th edition
Rotograph Co. (New York, N.Y.). (unknown)[The first building erected at the Jamestown Exposition : with two African American men]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3074tmpg83-cor.
Chicago
Rotograph Co. (New York, N.Y.), The first building erected at the Jamestown Exposition : with two African American men, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3074tmpg83-cor.