MLA

Amichai, Yehuda, 1924-2000. Hughes, Olwyn. Box 5, folder 246. 1967-1990, n.d.. https://collections.library.yale.edu/catalog/10599413.

APA, 6th edition

Amichai, Yehuda, 1924-2000. (["Box 5, folder 246"])(1967-1990, n.d.)[Hughes, Olwyn]. https://collections.library.yale.edu/catalog/10599413.