MLA
Alabama Post Card Co. (Bessemer, Ala.). Father Charles G. Hayes standing on a set of stairs speaking into a microphone, while wearing a robe. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/508hdr7ssr-cor.
APA, 6th edition
Alabama Post Card Co. (Bessemer, Ala.). (unknown)[Father Charles G. Hayes standing on a set of stairs speaking into a microphone, while wearing a robe]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/508hdr7ssr-cor.
Chicago
Alabama Post Card Co. (Bessemer, Ala.), Father Charles G. Hayes standing on a set of stairs speaking into a microphone, while wearing a robe, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/508hdr7ssr-cor.