APA (7th ed.) Citation

(1940). Fall in the Fire-Bomb Fighters!-poster 1940. London.

Chicago Style (17th ed.) Citation

Fall in the Fire-Bomb Fighters!-poster 1940. London, 1940.

MLA (8th ed.) Citation

Fall in the Fire-Bomb Fighters!-poster 1940. London, 1940.

Warning: These citations may not always be 100% accurate.