APA (7th ed.) Citation

Smith, K. M. (1940). Virus, life's enemy. Cambridge University Press.

Chicago Style (17th ed.) Citation

Smith, Kenneth M. Virus, Life's Enemy. London: Cambridge University Press, 1940.

MLA (8th ed.) Citation

Smith, Kenneth M. Virus, Life's Enemy. Cambridge University Press, 1940.

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