MLA

Wheeler, Monroe, 1899-1988. Lynes, George Platt. Box 6, folder 182. 1935-55, n.d.. https://collections.library.yale.edu/catalog/17064455.

APA, 6th edition

Wheeler, Monroe, 1899-1988. (["Box 6, folder 182"])(1935-55, n.d.)[Lynes, George Platt]. https://collections.library.yale.edu/catalog/17064455.