Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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