MLA
Trained Ostriches at the Ostrich Farm, Jacksonville, Fla. 1913. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 73. https://digital.library.emory.edu/purl/064tht76kw-cor.
APA, 6th edition
Trained ostriches at the ostrich farm, Jacksonville, Fla. (Box 73). (1913). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/064tht76kw-cor.
Chicago
“Trained Ostriches at the Ostrich Farm, Jacksonville, Fla.” Postcards. Robert Langmuir African American Photograph Collection, 1913. Box 73. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/064tht76kw-cor.