Cita APA (7th ed.)

Wolff, J. (1996). An introduction to political philosophy. Oxford Univ. Press.

Cita Chicago (17th ed.)

Wolff, Jonathan. An Introduction to Political Philosophy. Oxford: Oxford Univ. Press, 1996.

Cita MLA (9th ed.)

Wolff, Jonathan. An Introduction to Political Philosophy. Oxford Univ. Press, 1996.