MLA

Nugent, Bruce, 1906-1987. Laroche, Julia English. Box 9. 1973-1982. https://collections.library.yale.edu/catalog/16814005.

APA, 6th edition

Nugent, Bruce, 1906-1987. (["Box 9"])(1973-1982)[Laroche, Julia English]. https://collections.library.yale.edu/catalog/16814005.