MLA
Co., Illustrated Postal Card. Dixie Land - the Land of Possum : an African American Man Trying to Catch an Opossum up a Tree and Two Dogs on the Ground. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 69. https://digital.library.emory.edu/purl/259c59zw6p-cor.
APA, 6th edition
Co., I. P. C. Dixie Land - the land of possum : an African American man trying to catch an opossum up a tree and two dogs on the ground (Box 69) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/259c59zw6p-cor.
Chicago
Co., Illustrated Postal Card. “Dixie Land - the Land of Possum : an African American Man Trying to Catch an Opossum up a Tree and Two Dogs on the Ground.” 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/259c59zw6p-cor.