MLA
Teich, Curt, and Co. African American Man, Woman and Children Picking Cotton in a Field, in Arkansas Valley, Arkansas. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 68. https://digital.library.emory.edu/purl/095j9kd54d-cor.
APA, 6th edition
Teich, C., & C. African American man, woman and children picking cotton in a field, in Arkansas Valley, Arkansas (Box 68) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/095j9kd54d-cor.
Chicago
Teich, Curt, and Co. “African American Man, Woman and Children Picking Cotton in a Field, in Arkansas Valley, Arkansas.” 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/095j9kd54d-cor.