APA (7th ed.) Citation

Yardley, W. B. (1989). An introduction to metamorphic petrology. Longman.

Chicago Style (17th ed.) Citation

Yardley, W.D. Bruce. An Introduction to Metamorphic Petrology. New York: Longman, 1989.

MLA (8th ed.) Citation

Yardley, W.D. Bruce. An Introduction to Metamorphic Petrology. Longman, 1989.

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