Citazione Stile APA (7a Edizione)

Brennan, J. G. (1967). The meaning of philosophy: A survey of the problems of philosophy and of the opinions of philosophers (2nd ed.). Harper & Row.

Citazione stile Chigago Style (17a edizione)

Brennan, Joseph Gerard. The Meaning of Philosophy: A Survey of the Problems of Philosophy and of the Opinions of Philosophers. 2nd ed. New York: Harper & Row, 1967.

Citatione MLA (9a ed.)

Brennan, Joseph Gerard. The Meaning of Philosophy: A Survey of the Problems of Philosophy and of the Opinions of Philosophers. 2nd ed. Harper & Row, 1967.