MLA
An African American Woman and Two African American Boys at Penn School, St. Helena Island, S.C. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 69. https://digital.library.emory.edu/purl/97634tmpkr-cor.
APA, 6th edition
An African American woman and two African American boys at Penn School, St. Helena Island, S.C. (Box 69). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/97634tmpkr-cor.
Chicago
“An African American Woman and Two African American Boys at Penn School, St. Helena Island, S.C.” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 69. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/97634tmpkr-cor.