Cita APA (7a ed.)

Barker, E. (1951). Essay on Government (2nd.). Clarendon Press.

Cita Chicago Style (17a ed.)

Barker, Ernest. Essay on Government. 2nd. Oxford: Clarendon Press, 1951.

Cita MLA (9a ed.)

Barker, Ernest. Essay on Government. 2nd. Clarendon Press, 1951.