MLA

Norman, Dorothy, 1905-1997. Fromm, Erich. Box 71. 1953-1962. https://collections.library.yale.edu/catalog/17215565.

APA, 6th edition

Norman, Dorothy, 1905-1997. (["Box 71"])(1953-1962)[Fromm, Erich]. https://collections.library.yale.edu/catalog/17215565.