MLA

Amichai, Yehuda, 1924-2000. Hughes, Ted. Box 5, folder 247. 1944-1997, n.d.. https://collections.library.yale.edu/catalog/10599416.

APA, 6th edition

Amichai, Yehuda, 1924-2000. (["Box 5, folder 247"])(1944-1997, n.d.)[Hughes, Ted]. https://collections.library.yale.edu/catalog/10599416.