MLA

Brodkin, Herbert, 1912-1990. Production files. Box 18, folder 448-451. 1962-63. https://collections.library.yale.edu/catalog/17202406.

APA, 6th edition

Brodkin, Herbert, 1912-1990. (["Box 18, folder 448-451"])(1962-63)[Production files]. https://collections.library.yale.edu/catalog/17202406.