Cita APA (7th ed.)

Gert, B. (1988). Morality: Bernard Gert. O.U.Pr..

Cita Chicago (17th ed.)

Gert, Bernard. Morality: Bernard Gert. Oxford: O.U.Pr., 1988.

Cita MLA (9th ed.)

Gert, Bernard. Morality: Bernard Gert. O.U.Pr., 1988.