MLA
Some of the Churches and Schools for Colored People in Helena, Ark. 1919. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 74. https://digital.library.emory.edu/purl/423612jm8j-cor.
APA, 6th edition
Some of the churches and schools for colored people in Helena, Ark. (Box 74). (1919). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/423612jm8j-cor.
Chicago
“Some of the Churches and Schools for Colored People in Helena, Ark.” Postcards. Robert Langmuir African American Photograph Collection, 1919. Box 74. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/423612jm8j-cor.