MLA
Mark, M. Aunt Venus Hunting for Florida Fleas : an African American Woman with a Child's Head in Her Lap. 1911. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/252j6q575c-cor.
APA, 6th edition
Mark, M. (1911). Aunt Venus hunting for Florida fleas : an African American woman with a child's head in her lap (Box 72) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/252j6q575c-cor.
Chicago
Mark, M. “Aunt Venus Hunting for Florida Fleas : an African American Woman with a Child's Head in Her Lap.” 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/252j6q575c-cor.