MLA
Starting Early : an African American Boy with Roosters. 1907. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 69. https://digital.library.emory.edu/purl/6214mw6md7-cor.
APA, 6th edition
Starting early : an African American boy with roosters (Box 69). (1907). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6214mw6md7-cor.
Chicago
“Starting Early : an African American Boy with Roosters.” Postcards. Robert Langmuir African American Photograph Collection, 1907. Box 69. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6214mw6md7-cor.