MLA

Amichai, Yehuda, 1924-2000. Schimmel, Harold. Box 10, folder 478. 1975-1994, n.d.. https://collections.library.yale.edu/catalog/10599420.

APA, 6th edition

Amichai, Yehuda, 1924-2000. (["Box 10, folder 478"])(1975-1994, n.d.)[Schimmel, Harold]. https://collections.library.yale.edu/catalog/10599420.