MLA

Weigand, et al. Legacy of Felix Klein. Springer International Publishing, 2019.

APA

Weigand, W., McCallum, W., Menghini, M., Neubrand, M., & Schubring, G. (2019). Legacy of Felix Klein. Springer International Publishing.

Chicago

Weigand, William McCallum, Marta Menghini, Michael Neubrand, and Gert Schubring. Legacy of Felix Klein. : Springer International Publishing, 2019.