MLA
Albertype Co. (Brooklyn, N.Y.). Cutting sugar cane : [African American laborers in a field of sugar cane]. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6042rbnzw9-cor.
APA, 6th edition
Albertype Co. (Brooklyn, N.Y.). (unknown)[Cutting sugar cane : [African American laborers in a field of sugar cane]]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6042rbnzw9-cor.
Chicago
Albertype Co. (Brooklyn, N.Y.), Cutting sugar cane : [African American laborers in a field of sugar cane], unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6042rbnzw9-cor.