Cita APA (7a ed.)

Donagan, A. (1977). The theory of morality. University Press.

Cita Chicago Style (17a ed.)

Donagan, Alan. The Theory of Morality. Chicago [etc.]: University Press, 1977.

Cita MLA (9a ed.)

Donagan, Alan. The Theory of Morality. University Press, 1977.