APA (7th ed.) Citation

Opitz, E. A. (1994). Religion, foundation of the free society. Foundation for Economic Education.

Chicago Style (17th ed.) Citation

Opitz, Edmund A. Religion, Foundation of the Free Society. Irvington-on-Hudson, N.Y.: Foundation for Economic Education, 1994.

MLA (9th ed.) Citation

Opitz, Edmund A. Religion, Foundation of the Free Society. Foundation for Economic Education, 1994.