MLA

Williams, S. Wells (Samuel Wells), 1812-1884. Classical Chinese petition to Perry expedition officers attributed to Yoshida Shōin [Ka'ei 7/3/8]. Box 2A, folder 47B. 1854 April 5. https://collections.library.yale.edu/catalog/32488039.

APA, 6th edition

Williams, S. Wells (Samuel Wells), 1812-1884. (["Box 2A, folder 47B"])(1854 April 5)[Classical Chinese petition to Perry expedition officers attributed to Yoshida Shōin [Ka'ei 7/3/8]]. https://collections.library.yale.edu/catalog/32488039.