Cita APA (7th ed.)

Singer, P. A., & Viens, A. M. (2008). The Cambridge textbook of bioethics. Cambridge University Press.

Cita Chicago (17th ed.)

Singer, Peter A., i A. M. Viens. The Cambridge Textbook of Bioethics. Cambridge: Cambridge University Press, 2008.

Cita MLA (9th ed.)

Singer, Peter A., i A. M. Viens. The Cambridge Textbook of Bioethics. Cambridge University Press, 2008.