APA (7th ed.) Citation

Sauvy, A., Wrigley, E., & Campos, C. (1969). General theory of population. Methuen & Co Ltd..

Chicago Style (17th ed.) Citation

Sauvy, Alfred, E.A Wrigley, and Christophe Campos. General Theory of Population. London: Methuen & Co Ltd., 1969.

MLA (8th ed.) Citation

Sauvy, Alfred, et al. General Theory of Population. Methuen & Co Ltd., 1969.