Cita APA (7a ed.)

Geach, P. T. (1977). The virtues. Cambridge University Press.

Cita Chicago Style (17a ed.)

Geach, P. T. The Virtues. Cambridge: Cambridge University Press, 1977.

Cita MLA (8a ed.)

Geach, P. T. The Virtues. Cambridge University Press, 1977.