Cite

Know for sure -- get blood tests before marriage / [graphic]

MLA

Karsakov, Leonard, 1917-1993, artist. Know for sure -- get blood tests before marriage / [graphic]. 1941.. https://collections.library.yale.edu/catalog/16046993.

APA, 6th edition

Karsakov, Leonard, 1917-1993, artist. (1941.)[Know for sure -- get blood tests before marriage / [graphic]]. https://collections.library.yale.edu/catalog/16046993.