APA (7th ed.) Citation

Bieniawski Z. T. (1989). Engineering rock mass classifications: A complete manual for engineers and geologists in mining, civil and petroleum engineering. John Wiley and Sons.

Chicago Style (17th ed.) Citation

Bieniawski Z. T. Engineering Rock Mass Classifications: A Complete Manual for Engineers and Geologists in Mining, Civil and Petroleum Engineering. New York: John Wiley and Sons, 1989.

MLA (9th ed.) Citation

Bieniawski Z. T. Engineering Rock Mass Classifications: A Complete Manual for Engineers and Geologists in Mining, Civil and Petroleum Engineering. John Wiley and Sons, 1989.

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