MLA
House., Huckins. Cotton Picking near Texarkana, Ark.-Tex. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 68. https://digital.library.emory.edu/purl/6042rbnzw1-cor.
APA, 6th edition
House., H. Cotton picking near Texarkana, Ark.-Tex. (Box 68) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6042rbnzw1-cor.
Chicago
House., Huckins. “Cotton Picking near Texarkana, Ark.-Tex.” 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/6042rbnzw1-cor.