APA (7th ed.) Citation

Levins, R. (1968). Evolution in changing environments: Some theoretical explorations. Princeton University Press.

Chicago Style (17th ed.) Citation

Levins, Richard. Evolution in Changing Environments: Some Theoretical Explorations. Princeton, N.J.: Princeton University Press, 1968.

MLA (9th ed.) Citation

Levins, Richard. Evolution in Changing Environments: Some Theoretical Explorations. Princeton University Press, 1968.