APA (7th ed.) Citation

Van Wyk, R. N. (1990). Introduction to Ethics (1a. ed.). St. Martin`s Press.

Chicago Style (17th ed.) Citation

Van Wyk, Robert N. Introduction to Ethics. 1a. ed. Nueva York: St. Martin`s Press, 1990.

MLA (9th ed.) Citation

Van Wyk, Robert N. Introduction to Ethics. 1a. ed. St. Martin`s Press, 1990.