MLA
Divald, Dick. Custom Hats by Miss Theodora and an International Collection of Casual Wear for Men. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 77. https://digital.library.emory.edu/purl/0859cnp5jb-cor.
APA, 6th edition
Divald, D. Custom hats by Miss Theodora and an international collection of casual wear for men (Box 77) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0859cnp5jb-cor.
Chicago
Divald, Dick. “Custom Hats by Miss Theodora and an International Collection of Casual Wear for Men.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 77. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0859cnp5jb-cor.