MLA
Air : Henry Threadgill, Fred Hopkins and Steve McCall Playing an Outdoor Concert in Union Square Park, New York. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 23. https://digital.library.emory.edu/purl/4300zpc89x-cor.
APA, 6th edition
Air : Henry Threadgill, Fred Hopkins and Steve McCall playing an outdoor concert in Union Square Park, New York (Box 23). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4300zpc89x-cor.
Chicago
“Air : Henry Threadgill, Fred Hopkins and Steve McCall Playing an Outdoor Concert in Union Square Park, New York.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 23. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4300zpc89x-cor.