APA (7th ed.) Citation

Tyrrell, G. W. (1998). The Principles of Petrology: An Introduction to the Science of Rocks (2nd ed.). CBS Publishers & Distributors.

Chicago Style (17th ed.) Citation

Tyrrell, G. W. The Principles of Petrology: An Introduction to the Science of Rocks. 2nd ed. New Delhi: CBS Publishers & Distributors, 1998.

MLA (9th ed.) Citation

Tyrrell, G. W. The Principles of Petrology: An Introduction to the Science of Rocks. 2nd ed. CBS Publishers & Distributors, 1998.