MLA
White, J. H. A Portrait of an African American Sailor Holding U.S. Flag. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 19. https://digital.library.emory.edu/purl/395w6m90jm-cor.
APA, 6th edition
White, J. H. A portrait of an African American sailor holding U.S. flag (Box 19) [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/395w6m90jm-cor.
Chicago
White, J. H. “A Portrait of an African American Sailor Holding U.S. 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/395w6m90jm-cor.