MLA
Man in Suit and Hat Holding American Flag. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 19. https://digital.library.emory.edu/purl/385n8pk13g-cor.
APA, 6th edition
Man in suit and hat holding American flag (Box 19). [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/385n8pk13g-cor.
Chicago
“Man in Suit and Hat Holding American Flag.” Card photographs (photographs). Langmuir Deposit - Sept 2020, n.d. Box 19. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/385n8pk13g-cor.