MLA
Millar, Doug. Steel Band in St. Croix : One of the Colorful and Harmonious Steel Bands Parading for the Christmas Festival. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 77. https://digital.library.emory.edu/purl/201bk3j9kv-cor.
APA, 6th edition
Millar, D. Steel band in St. Croix : one of the colorful and harmonious steel bands parading for the Christmas festival (Box 77) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/201bk3j9kv-cor.
Chicago
Millar, Doug. “Steel Band in St. Croix : One of the Colorful and Harmonious Steel Bands Parading for the Christmas Festival.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 77. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/201bk3j9kv-cor.