MLA
No Call Alligator Iong Mout till You Pass Him : Drawing of a Jamaican Man with a Basket on His Head Sneaking Past an Alligator. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 76. https://digital.library.emory.edu/purl/061djh9w17-cor.
APA, 6th edition
No call alligator iong mout till you pass him : drawing of a Jamaican man with a basket on his head sneaking past an alligator (Box 76). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/061djh9w17-cor.
Chicago
“No Call Alligator Iong Mout till You Pass Him : Drawing of a Jamaican Man with a Basket on His Head Sneaking Past an Alligator.” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 76. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/061djh9w17-cor.