MLA
C. E. Wheelock & Co. (Peoria, Ill.). Negro Oyster shuckers in Norfolk, Va.. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6386hdr7w8-cor.
APA, 6th edition
C. E. Wheelock & Co. (Peoria, Ill.). (unknown)[Negro Oyster shuckers in Norfolk, Va.]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6386hdr7w8-cor.
Chicago
C. E. Wheelock & Co. (Peoria, Ill.), Negro Oyster shuckers in Norfolk, Va., unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6386hdr7w8-cor.