APA引文

Williams, M. K. (1972). Abortion: A collision of rights. National Catholic News Service.

Chicago Style (17th ed.) Citation

Williams, Mary Kay. Abortion: A Collision of Rights. Washington, D.C.: National Catholic News Service, 1972.

MLA引文

Williams, Mary Kay. Abortion: A Collision of Rights. National Catholic News Service, 1972.

警告：这些引文格式不一定是100％准确.