Yehoshua, [Abraham?] B.
MLA
Amichai, Yehuda, 1924-2000. Yehoshua, [Abraham?] B.. Box 49, folder 1572. n.d.. https://collections.library.yale.edu/catalog/16637399.
APA, 6th edition
Amichai, Yehuda, 1924-2000. (["Box 49, folder 1572"])(n.d.)[Yehoshua, [Abraham?] B.]. https://collections.library.yale.edu/catalog/16637399.