Cita APA (7th ed.)
Barbet, A. (1990). Mastering philosophy (2nd ed.). Palgrave.
Cita Chicago (17th ed.)
Barbet, Anthony. Mastering Philosophy. 2nd ed. New york: Palgrave, 1990.
Cita MLA (9th ed.)
Barbet, Anthony. Mastering Philosophy. 2nd ed. Palgrave, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.