Cita APA (7a ed.)

Prior, W. J. (1991). Virtue and knowledge: An introduction to ancient Greek ethics. Routledge.

Cita Chicago Style (17a ed.)

Prior, William J. Virtue and Knowledge: An Introduction to Ancient Greek Ethics. London [etc.]: Routledge, 1991.

Cita MLA (9a ed.)

Prior, William J. Virtue and Knowledge: An Introduction to Ancient Greek Ethics. Routledge, 1991.