MLA

Himes, Chester B., 1909-1984. Himes with Regine Fischer. Box 23, folder 249. 1957-1959. https://collections.library.yale.edu/catalog/16747705.

APA, 6th edition

Himes, Chester B., 1909-1984. (["Box 23, folder 249"])(1957-1959)[Himes with Regine Fischer]. https://collections.library.yale.edu/catalog/16747705.