MLA
Teich, Curt, and Co. Chapel, St. Augustine's Seminary, Bay St. Louis, Miss. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 74. https://digital.library.emory.edu/purl/849t1g1k09-cor.
APA, 6th edition
Teich, C., & C. Chapel, St. Augustine's Seminary, Bay St. Louis, Miss. (Box 74) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/849t1g1k09-cor.
Chicago
Teich, Curt, and Co. “Chapel, St. Augustine's Seminary, Bay St. Louis, Miss.” 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/849t1g1k09-cor.