MLA

Hilgers, Michael, and Wilfried Achenbach. Alternative Powertrains and Extensions to the Conventional Powertrain. Springer Berlin Heidelberg, 2021.

APA

Hilgers, M., & Achenbach, W. (2021). Alternative Powertrains and Extensions to the Conventional Powertrain. Springer Berlin Heidelberg.

Chicago

Hilgers, Michael, and Wilfried Achenbach. Alternative Powertrains and Extensions to the Conventional Powertrain. : Springer Berlin Heidelberg, 2021.