MLA
Waters, Geo. B. Two Old Residents of New Bern, N.C. : an African American Man Smoking a Pipe, and an African American Woman. 1911. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/692t4b8gwx-cor.
APA, 6th edition
Waters, G. B. (1911). Two old residents of New Bern, N.C. : an African American man smoking a pipe, and an African American woman (Box 72) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/692t4b8gwx-cor.
Chicago
Waters, Geo. B. “Two Old Residents of New Bern, N.C. : an African American Man Smoking a Pipe, and an African American Woman.” Postcards. Robert Langmuir African American Photograph Collection, 1911. Box 72. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/692t4b8gwx-cor.