MLA

Robert. E Shaddy, and Robert E Shaddy. Heart Failure In Congenital Heart Disease. Springer London, 2011.

APA

Robert. E Shaddy, R. E Shaddy, & Shaddy, R. E. (2011). Heart Failure in Congenital Heart Disease. Springer London.

Chicago

Robert. E Shaddy, and Robert E Shaddy. Heart Failure In Congenital Heart Disease. : Springer London, 2011.