MLA
Soldiers and Chefs at Christmas Party. 1920. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 19. https://digital.library.emory.edu/purl/52908kps4n-cor.
APA, 6th edition
Soldiers and chefs at christmas party (Box 19). (1920). [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/52908kps4n-cor.
Chicago
“Soldiers and Chefs at Christmas Party.” Card photographs (photographs). Langmuir Deposit - Sept 2020, 1920. Box 19. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/52908kps4n-cor.