APA استشهاد

Boucher, D., & Kelly, P. (2009). Political thinkers: From Socrates to the present (2nd ed.). Oxford University Press.

استشهاد بنمط شيكاغو

Boucher, David, و Paul Kelly. Political Thinkers: From Socrates to the Present. 2nd ed. Oxford: Oxford University Press, 2009.

MLA استشهاد

Boucher, David, و Paul Kelly. Political Thinkers: From Socrates to the Present. 2nd ed. Oxford University Press, 2009.