Cita APA (7th ed.)

Ashby, W. (1997). A comprehensive history of Western ethics: What do we believe? Prometheus Books.

Cita Chicago (17th ed.)

Ashby, Warren. A Comprehensive History of Western Ethics: What Do We Believe? Buffalo, N.Y.: Prometheus Books, 1997.

Cita MLA (9th ed.)

Ashby, Warren. A Comprehensive History of Western Ethics: What Do We Believe? Prometheus Books, 1997.