APA (7th ed.) Citation

Széchy, K., & Széchy, D. (1970). The art of tunnelling ([1st ed.].). Akadémiai Kiadó.

Chicago Style (17th ed.) Citation

Széchy, Károly, and Denis Széchy. The Art of Tunnelling. [1st ed.]. Budapest: Akadémiai Kiadó, 1970.

MLA (9th ed.) Citation

Széchy, Károly, and Denis Széchy. The Art of Tunnelling. [1st ed.]. Akadémiai Kiadó, 1970.

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