MLA

Sliwa-Hhnle, Karen, and John Anthony. Cardiac Drugs In Pregnancy. Springer London, 2014.

APA

Sliwa-Hhnle, K., & Anthony, J. (2014). Cardiac Drugs in Pregnancy. Springer London.

Chicago

Sliwa-Hhnle, Karen, and John Anthony. Cardiac Drugs In Pregnancy. : Springer London, 2014.