Cita APA (7th ed.)
Cronin, J. F. Communism: Threat to Freedom. National Catholic Welfare Conference.
Cita Chicago (17th ed.)
Cronin, John F. Communism: Threat to Freedom. Washington, EUA: National Catholic Welfare Conference.
Cita MLA (9th ed.)
Cronin, John F. Communism: Threat to Freedom. National Catholic Welfare Conference.
Atenció: Aquestes cites poden no estar 100% correctes.