Cite

[Protect children from whooping cough! Vaccinate them!] [graphic] and Беречите детей от коклюша! Делайте им прививку!

MLA

[Protect Children from Whooping Cough! Vaccinate Them!] [Graphic], Беречите Детей От Коклюша! Делайте Им Прививку! Ministry of Health, Latvian SSR, Министерство здравоохранения ЛССР, 1959. https://collections.library.yale.edu/catalog/16047637.

APA, 6th edition

[Protect children from whooping cough! Vaccinate them!] [graphic], Беречите детей от коклюша! Делайте им прививку! (1959). [Offset lithographs, Posters]. Ministry of Health, Latvian SSR, Министерство здравоохранения ЛССР. https://collections.library.yale.edu/catalog/16047637.