APA (7th ed.) Zitazioa

Needle, R. B., & Walker, L. E. (2007). Abortion counseling: A clinician's guide to psychology, legislation, politics, and competency. Springer.

Chicago Style (17th ed.) Zitazioa

Needle, Rachel B., eta Lenore E. Walker. Abortion Counseling: A Clinician's Guide to Psychology, Legislation, Politics, and Competency. New York: Springer, 2007.

MLA (9th ed.) Zitazioa

Needle, Rachel B., eta Lenore E. Walker. Abortion Counseling: A Clinician's Guide to Psychology, Legislation, Politics, and Competency. Springer, 2007.