MLA
Co., E. C. Kropp. Protestant Church (Colored), Lynch, Ky. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 74. https://digital.library.emory.edu/purl/856n02v70c-cor.
APA, 6th edition
Co., E. C. K. Protestant Church (Colored), Lynch, Ky. (Box 74) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/856n02v70c-cor.
Chicago
Co., E. C. Kropp. “Protestant Church (Colored), Lynch, Ky.” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 74. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/856n02v70c-cor.