MLA

Gill, Tepper L.; Zachary, Woodford W, and Woodford Zachary. Functional Analysis and the Feynman Operator Calculus. Springer International Publishing, 2016.

APA

Gill, W. W, & Zachary, W. (2016). Functional Analysis and the Feynman Operator Calculus. Springer International Publishing.

Chicago

Gill, Tepper L.; Zachary, Woodford W., and Woodford Zachary. Functional Analysis and the Feynman Operator Calculus. : Springer International Publishing, 2016.