APA (7th ed.) Citation

Maidl, B., Thewes, M., & Maidl, U. (2013). Handbook of Tunnel Engineering, Vol. 1 and Vol. II. Ernst, Wilhelm & Sohn.

Chicago Style (17th ed.) Citation

Maidl, Bernhard, Markus Thewes, and Ulrich Maidl. Handbook of Tunnel Engineering, Vol. 1 and Vol. II. Berlin: Ernst, Wilhelm & Sohn, 2013.

MLA (9th ed.) Citation

Maidl, Bernhard, et al. Handbook of Tunnel Engineering, Vol. 1 and Vol. II. Ernst, Wilhelm & Sohn, 2013.