MLA
Dormand Postcards (Lond Island, N.Y.). The annual donkey races create great excitement for everyone in St. Croix. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/631cjsxktj-cor.
APA, 6th edition
Dormand Postcards (Lond Island, N.Y.). (unknown)[The annual donkey races create great excitement for everyone in St. Croix]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/631cjsxktj-cor.
Chicago
Dormand Postcards (Lond Island, N.Y.), The annual donkey races create great excitement for everyone in St. Croix, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/631cjsxktj-cor.