MLA

Brodsky, Joseph, 1940-1996, Kline, George L. (George Louis), 1921-2014. English translation by George Kline, printed versions. Box 55 | 1019-1020. 1974-1976. https://collections.library.yale.edu/catalog/17306013.

APA, 6th edition

Brodsky, Joseph, 1940-1996, & Kline, George L. (George Louis), 1921-2014. (["Box 55 | 1019-1020"])(1974-1976)[English translation by George Kline, printed versions]. https://collections.library.yale.edu/catalog/17306013.