Cite

Cancer danger signals [graphic]

MLA

Fellnagel, Dorothy Darling, 1913-2006, artist. Cancer danger signals [graphic]. [1941]. https://collections.library.yale.edu/catalog/16047647.

APA, 6th edition

Fellnagel, Dorothy Darling, 1913-2006, artist. ([1941])[Cancer danger signals [graphic]]. https://collections.library.yale.edu/catalog/16047647.