MLA
Riding Col. Bob Ingersoll, at Florida Ostrich Farm, Jacksonville, Florida [Hand Colored]. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 73. https://digital.library.emory.edu/purl/52259zw3t1-cor.
APA, 6th edition
Riding Col. Bob Ingersoll, at Florida Ostrich Farm, Jacksonville, Florida [hand colored] (Box 73). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/52259zw3t1-cor.
Chicago
“Riding Col. Bob Ingersoll, at Florida Ostrich Farm, Jacksonville, Florida [Hand Colored].” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 73. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/52259zw3t1-cor.