MLA

Allen, Rebecca H, and Carrie A Cwiak. Contraception for the Medically Challenging Patient. Springer New York, 2014.

APA

Allen, R. H, & Cwiak, C. A. (2014). Contraception for the Medically Challenging Patient. Springer New York.

Chicago

Allen, Rebecca H., and Carrie A Cwiak. Contraception for the Medically Challenging Patient. : Springer New York, 2014.