"H" general
MLA
Wilder, Thornton, 1897-1975. "H" general. Box 66, folder 1815. 1924-63, n.d.. https://collections.library.yale.edu/catalog/32267572.
APA, 6th edition
Wilder, Thornton, 1897-1975. (["Box 66, folder 1815"])(1924-63, n.d.)["H" general]. https://collections.library.yale.edu/catalog/32267572.