[Flies are the enemy of humanity] [graphic].
MLA
[Flies Are the Enemy of Humanity] [Graphic]. Department of Health, 0AD. https://collections.library.yale.edu/catalog/16047538.
APA, 6th edition
[Flies are the enemy of humanity] [graphic]. (0 C.E.). [Posters, Offset lithographs]. Department of Health. https://collections.library.yale.edu/catalog/16047538.