MLA
Rideout (Washington, D.C.). Howard University, Freshman Pharmacy Class, October 1922. October 1922. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/5462547d9t-cor.
APA, 6th edition
Rideout (Washington, D.C.). (October 1922)[Howard University, Freshman Pharmacy Class, October 1922]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/5462547d9t-cor.
Chicago
Rideout (Washington, D.C.), Howard University, Freshman Pharmacy Class, October 1922, October 1922, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/5462547d9t-cor.