Williams, M. K. (1972). Abortion: A collision of rights. National Catholic News Service.
Čikaški stil citiranja (17. izdanje)Williams, Mary Kay. Abortion: A Collision of Rights. Washington: National Catholic News Service, 1972.
MLA način citiranja (8. izdanje)Williams, Mary Kay. Abortion: A Collision of Rights. National Catholic News Service, 1972.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.