MLA
Zemp, and De Pass. Cotton Fields, Camden, S.C. 1907. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 68. https://digital.library.emory.edu/purl/5053ffbgbg-cor.
APA, 6th edition
Z., & Pass., D. (1907). Cotton fields, Camden, S.C. (Box 68) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/5053ffbgbg-cor.
Chicago
Zemp, and De Pass. “Cotton Fields, Camden, S.C.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1907. Box 68. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/5053ffbgbg-cor.