Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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