Maidl, B., Thewes, M., & Maidl, U. (2013). Handbook of tunnel engineering (First edition.). Ernst & Sohn.
Cita Chicago Style (17a ed.)Maidl, Bernhard, Markus Thewes, y Ulrich Maidl. Handbook of Tunnel Engineering. First edition. Berlin: Ernst & Sohn, 2013.
Cita MLA (9a ed.)Maidl, Bernhard, et al. Handbook of Tunnel Engineering. First edition. Ernst & Sohn, 2013.
Precaución: Estas citas no son 100% exactas.