MLA
Jarvis, J. F. (John F.), 1850-. Unloading a cotton steamboat, New Orleans, Louisiana, U.S.A.. 1891 approx.. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/10966t1g3z-cor.
APA, 6th edition
Jarvis, J. F. (John F.), 1850-. (1891 approx.)[Unloading a cotton steamboat, New Orleans, Louisiana, U.S.A.]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/10966t1g3z-cor.
Chicago
Jarvis, J. F. (John F.), 1850-, Unloading a cotton steamboat, New Orleans, Louisiana, U.S.A., 1891 approx., Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/10966t1g3z-cor.