MLA
Vosburgh, W. W. Horseless Carriage, Allegan, Mich. [Hand Colored]. 1909. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 75. https://digital.library.emory.edu/purl/423612jm8t-cor.
APA, 6th edition
Vosburgh, W. W. (1909). Horseless carriage, Allegan, Mich. [hand colored] (Box 75) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/423612jm8t-cor.
Chicago
Vosburgh, W. W. “Horseless Carriage, Allegan, Mich. [Hand Colored].” Postcards. Robert Langmuir African American Photograph Collection, 1909. Box 75. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/423612jm8t-cor.