MLA

Lash, Batton, and cartoonist. Mavis. Exhibit A Press, 0AD. https://collections.library.yale.edu/catalog/33532202.

APA, 6th edition

Lash, B., & cartoonist. (0 C.E.). Mavis [Humor., Caricatures and cartoons, Postcards]. Exhibit A Press. https://collections.library.yale.edu/catalog/33532202.