Cite

Rat Eye Magnified Four Times.

MLA

Hemberger, Armin B. Rat Eye Magnified Four Times. 1921. https://collections.library.yale.edu/catalog/15948372.

APA, 6th edition

Hemberger, A. B. (1921). Rat Eye Magnified Four Times. [Drawings (AAT)]. https://collections.library.yale.edu/catalog/15948372.