APA (7th ed.) Citation

(2012). Mechanised shield tunnelling (2nd ed.). Ernst & Sohn.

Chicago Style (17th ed.) Citation

Mechanised Shield Tunnelling. 2nd ed. Berlin: Ernst & Sohn, 2012.

MLA (9th ed.) Citation

Mechanised Shield Tunnelling. 2nd ed. Ernst & Sohn, 2012.

Warning: These citations may not always be 100% accurate.