Doonesbury
MLA
Trudeau, G. B., 1948-. Doonesbury. Box 1971. 1971 May 24. https://collections.library.yale.edu/catalog/2052785.
APA, 6th edition
Trudeau, G. B., 1948-. (["Box 1971"])(1971 May 24)[Doonesbury]. https://collections.library.yale.edu/catalog/2052785.