APA (7th ed.) Citation

Wolfson, E. (2004). Why marriage matters: America, equality, and gay people's right to marry. Simon & Schuster.

Chicago Style (17th ed.) Citation

Wolfson, Evan. Why Marriage Matters: America, Equality, and Gay People's Right to Marry. New York: Simon & Schuster, 2004.

MLA (9th ed.) Citation

Wolfson, Evan. Why Marriage Matters: America, Equality, and Gay People's Right to Marry. Simon & Schuster, 2004.