APA (7th ed.) Citation

Simpson, P. (1987). Goodness and nature: A defense of ethical naturalism. M. Nijhoff.

Chicago Style (17th ed.) Citation

Simpson, Peter. Goodness and Nature: A Defense of Ethical Naturalism. Dordrecht: M. Nijhoff, 1987.

MLA (9th ed.) Citation

Simpson, Peter. Goodness and Nature: A Defense of Ethical Naturalism. M. Nijhoff, 1987.