MLA

Fattouch, Khalil, Gianni D Angelini, and Patrizio Lancellotti. Secondary Mitral Valve Regurgitation. Springer London, 2015.

APA

Fattouch, K., Angelini, G. D, & Lancellotti, P. (2015). Secondary Mitral Valve Regurgitation. Springer London.

Chicago

Fattouch, Khalil, Gianni D Angelini, and Patrizio Lancellotti. Secondary Mitral Valve Regurgitation. : Springer London, 2015.