MLA
Bruno, Anthony J., 1894-1976. Four Step Brothers : group portrait. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7956djhb3b-cor.
APA, 6th edition
Bruno, Anthony J., 1894-1976. (unknown)[Four Step Brothers : group portrait]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7956djhb3b-cor.
Chicago
Bruno, Anthony J., 1894-1976, Four Step Brothers : group portrait, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7956djhb3b-cor.