MLA
Teich, Curt, and Co. Relaxing in Cherokee State Park on Beautiful Kentucky Lake. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 71. https://digital.library.emory.edu/purl/433dz08kr7-cor.
APA, 6th edition
Teich, C., & C. Relaxing in Cherokee State Park on beautiful Kentucky Lake (Box 71) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/433dz08kr7-cor.
Chicago
Teich, Curt, and Co. “Relaxing in Cherokee State Park on Beautiful Kentucky Lake.” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 71. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/433dz08kr7-cor.