MLA

Cohen, Arthur A. (Arthur Allen), 1928-1986. Hartman, Geoffrey, Yale University Judaic Studies Development. Box 37. 1981-1987. https://collections.library.yale.edu/catalog/17230063.

APA, 6th edition

Cohen, Arthur A. (Arthur Allen), 1928-1986. (["Box 37"])(1981-1987)[Hartman, Geoffrey, Yale University Judaic Studies Development]. https://collections.library.yale.edu/catalog/17230063.