MLA

Williams, S. Wells (Samuel Wells), 1812-1884. Scrapbook of calling cards, correspondence, and printed memorabilia. Box 16A, folder 91. Circa 1854-1874. https://collections.library.yale.edu/catalog/10015303.

APA, 6th edition

Williams, S. Wells (Samuel Wells), 1812-1884. (["Box 16A, folder 91"])(Circa 1854-1874)[Scrapbook of calling cards, correspondence, and printed memorabilia]. https://collections.library.yale.edu/catalog/10015303.