APA (7th ed.) Citation

Wheare, K. C. (1966). Modern constitutions ([2nd ed.].). Oxford University Press.

Chicago Style (17th ed.) Citation

Wheare, K. C. Modern Constitutions. [2nd ed.]. Oxford: Oxford University Press, 1966.

MLA (9th ed.) Citation

Wheare, K. C. Modern Constitutions. [2nd ed.]. Oxford University Press, 1966.