MLA

Colombo, Fabrizio, and Jonathan Gantner. Quaternionic Closed Operators, Fractional Powers and Fractional Diffusion Processes. Springer International Publishing, 2019.

APA

Colombo, F., & Gantner, J. (2019). Quaternionic Closed Operators, Fractional Powers and Fractional Diffusion Processes. Springer International Publishing.

Chicago

Colombo, Fabrizio, and Jonathan Gantner. Quaternionic Closed Operators, Fractional Powers and Fractional Diffusion Processes. : Springer International Publishing, 2019.