MLA

Pound, Ezra, 1885-1972. Jankowski, Stanislaw. Box 24, folder 1065-1067. 1953-59. https://collections.library.yale.edu/catalog/17122582.

APA, 6th edition

Pound, Ezra, 1885-1972. (["Box 24, folder 1065-1067"])(1953-59)[Jankowski, Stanislaw]. https://collections.library.yale.edu/catalog/17122582.