MLA
Fowler (Philadelphia, Pa.). Four African American men posing together, one of them wearing a brooch. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/8021c5b020-cor.
APA, 6th edition
Fowler (Philadelphia, Pa.). (unknown)[Four African American men posing together, one of them wearing a brooch]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/8021c5b020-cor.
Chicago
Fowler (Philadelphia, Pa.), Four African American men posing together, one of them wearing a brooch, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/8021c5b020-cor.