MLA
Huld, Franz. A Friend of Abraham Lincoln. 1903. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 74. https://digital.library.emory.edu/purl/238w9ghx5x-cor.
APA, 6th edition
Huld, F. (1903). A friend of Abraham Lincoln (Box 74) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/238w9ghx5x-cor.
Chicago
Huld, Franz. “A Friend of Abraham Lincoln.” Postcards. Robert Langmuir African American Photograph Collection, 1903. Box 74. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/238w9ghx5x-cor.