Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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