MLA

Trudeau, G. B., 1948-. Sunday originals. Box 166 (Oversize). 1972. https://collections.library.yale.edu/catalog/2053568.

APA, 6th edition

Trudeau, G. B., 1948-. (["Box 166 (Oversize)"])(1972)[Sunday originals]. https://collections.library.yale.edu/catalog/2053568.