MLA

Biberthaler, Peter, Chlodwig Kirchhoff, and James P Waddell. Fractures of the Proximal Humerus. Springer International Publishing, 2015.

APA

Biberthaler, P., Kirchhoff, C., & Waddell, J. P. (2015). Fractures of the Proximal Humerus. Springer International Publishing.

Chicago

Biberthaler, Peter, Chlodwig Kirchhoff, and James P Waddell. Fractures of the Proximal Humerus. : Springer International Publishing, 2015.