MLA
M & M Cafeteria Suggestion Card. 1951. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 74. https://digital.library.emory.edu/purl/020fttdz2f-cor.
APA, 6th edition
M & M Cafeteria suggestion card (Box 74). (1951). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/020fttdz2f-cor.
Chicago
“M & M Cafeteria Suggestion Card.” Postcards. Robert Langmuir African American Photograph Collection, 1951. Box 74. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/020fttdz2f-cor.