APA (7th ed.) Citation

Crowther, J. G. (1942). Soviet science. Penguin Books.

Chicago Style (17th ed.) Citation

Crowther, James Gerald. Soviet Science. Harmondsworth, Middlesex, New York: Penguin Books, 1942.

MLA (9th ed.) Citation

Crowther, James Gerald. Soviet Science. Penguin Books, 1942.