MLA
Metropolitan Photo Service (New York, N.Y.). Men and a woman on a boat railing, with a life-saving apparatus. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0580k6djnp-cor.
APA, 6th edition
Metropolitan Photo Service (New York, N.Y.). (unknown)[Men and a woman on a boat railing, with a life-saving apparatus]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0580k6djnp-cor.
Chicago
Metropolitan Photo Service (New York, N.Y.), Men and a woman on a boat railing, with a life-saving apparatus, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0580k6djnp-cor.