APA (7th ed.) Zitazioa

PATRICK, G. T. (1958). Introduction to philosophy (2nd ed.). Allen & Unwin.

Chicago Style (17th ed.) Zitazioa

PATRICK, George Thomas. Introduction to Philosophy. 2nd ed. London: Allen & Unwin, 1958.

MLA (9th ed.) Zitazioa

PATRICK, George Thomas. Introduction to Philosophy. 2nd ed. Allen & Unwin, 1958.