MLA
Van Griethuysen, and Lowe. Oklahoma Cotton Scene. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 68. https://digital.library.emory.edu/purl/665h9w0vxj-cor.
APA, 6th edition
Van Griethuysen, & L. Oklahoma cotton scene (Box 68) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/665h9w0vxj-cor.
Chicago
Griethuysen, Van, and Lowe. “Oklahoma Cotton Scene.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 68. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/665h9w0vxj-cor.