MLA
Huld, Franz. Celery Farm in Boards, Sanford, Fla. [Hand Colored]. 1904. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 69. https://digital.library.emory.edu/purl/511xd254bd-cor.
APA, 6th edition
Huld, F. (1904). Celery farm in boards, Sanford, Fla. [hand colored] (Box 69) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/511xd254bd-cor.
Chicago
Huld, Franz. “Celery Farm in Boards, Sanford, Fla. [Hand Colored].” Photographic postcards. Robert Langmuir African American Photograph Collection, 1904. Box 69. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/511xd254bd-cor.