MLA

Ana Johnson, Thérèse A. Stukel, Thérèse Stukel, and Thérèse A Stukel. Medical Practice Variations. Springer US, 2016.

APA

Ana Johnson, T. A. Stukel, Stukel, T., & Stukel, T. A. (2016). Medical Practice Variations. Springer US.

Chicago

Ana Johnson, Thérèse A. Stukel, Thérèse Stukel, and Thérèse A Stukel. Medical Practice Variations. : Springer US, 2016.