MLA

Popp, and Peter Wriggers. Contact Modeling for Solids and Particles. Springer International Publishing, 2018.

APA

Popp, P., & Wriggers, P. (2018). Contact Modeling for Solids and Particles. Springer International Publishing.

Chicago

Popp, and Peter Wriggers. Contact Modeling for Solids and Particles. : Springer International Publishing, 2018.