APA (7th ed.) Citation

Hudson, J. A., & Harrison, J. P. (1997). Engineering rock mechanics: An introduction to the principles (1a. ed.). Pergamon.

Chicago Style (17th ed.) Citation

Hudson, John A., and John P. Harrison. Engineering Rock Mechanics: An Introduction to the Principles. 1a. ed. Amsterdam: Pergamon, 1997.

MLA (9th ed.) Citation

Hudson, John A., and John P. Harrison. Engineering Rock Mechanics: An Introduction to the Principles. 1a. ed. Pergamon, 1997.