MLA

Brodsky, Joseph, 1940-1996. Mexico. Box 143, folder 3179. 1975. https://collections.library.yale.edu/catalog/9998345.

APA, 6th edition

Brodsky, Joseph, 1940-1996. (["Box 143, folder 3179"])(1975)[Mexico]. https://collections.library.yale.edu/catalog/9998345.