APA (7th ed.) Citation

Maidl, B., Thewes, M., & Maidl, U. (2013). Handbook of tunnel engineering. Ernst & Sohn. https://doi.org/10.1002/9783433603499

Chicago Style (17th ed.) Citation

Maidl, Bernhard, Markus Thewes, and Ulrich Maidl. Handbook of Tunnel Engineering. Berlin: Ernst & Sohn, 2013. https://doi.org/10.1002/9783433603499.

MLA (8th ed.) Citation

Maidl, Bernhard, et al. Handbook of Tunnel Engineering. Ernst & Sohn, 2013. https://doi.org/10.1002/9783433603499.