MLA
A Large Group of Men Wearing Suits and Hats, Some Wearing Uniform Caps, and Coats Standing on the Steps of the National Coupon Pub. Co. in Dayton, Ohio. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 54. https://digital.library.emory.edu/purl/52259zw3w5-cor.
APA, 6th edition
A large group of men wearing suits and hats, some wearing uniform caps, and coats standing on the steps of the National Coupon Pub. Co. in Dayton, Ohio (Box 54). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/52259zw3w5-cor.
Chicago
“A Large Group of Men Wearing Suits and Hats, Some Wearing Uniform Caps, and Coats Standing on the Steps of the National Coupon Pub. Co. in Dayton, Ohio.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 54. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/52259zw3w5-cor.