The puzzle of ethics

MLA

Vardy, Peter, and Paul Grosch. The Puzzle of Ethics. London: HarperCollins, 1994.

APA

Vardy, P., & Grosch, P. (1994). The puzzle of ethics. London: HarperCollins.

Chicago

Vardy, Peter, and Paul Grosch. The Puzzle of Ethics. London: HarperCollins, 1994.