MLA

Popov, Markus Heß, and Emanuel Willert. Handbook of Contact Mechanics. Springer Berlin Heidelberg, 2019.

APA

Popov, P., Heß, M., & Willert, E. (2019). Handbook of Contact Mechanics. Springer Berlin Heidelberg.

Chicago

Popov, Markus Heß, and Emanuel Willert. Handbook of Contact Mechanics. : Springer Berlin Heidelberg, 2019.