MLA

Wassmer, Gernot; Brannath, Werner, and Werner Brannath. Group Sequential and Confirmatory Adaptive Designs In Clinical Trials. Springer International Publishing, 2016.

APA

Wassmer, W., & Brannath, W. (2016). Group Sequential and Confirmatory Adaptive Designs in Clinical Trials. Springer International Publishing.

Chicago

Wassmer, Gernot; Brannath, Werner, and Werner Brannath. Group Sequential and Confirmatory Adaptive Designs In Clinical Trials. : Springer International Publishing, 2016.