MLA

Humbert, Marc, Oleg V Evgenov, and Johannes-Peter Stasch. Pharmacotherapy of Pulmonary Hypertension. Springer Berlin Heidelberg, 2013.

APA

Humbert, M., Evgenov, O. V, & Stasch, J. (2013). Pharmacotherapy of Pulmonary Hypertension. Springer Berlin Heidelberg.

Chicago

Humbert, Marc, Oleg V Evgenov, and Johannes-Peter Stasch. Pharmacotherapy of Pulmonary Hypertension. : Springer Berlin Heidelberg, 2013.