APA (7th ed.) Citation

Tarbuck, E. J., & Lutgens, F. K. Earth: An introduction to physical geology (9a ed.).

Chicago Style (17th ed.) Citation

Tarbuck, Edward J., and Frederick K. Lutgens. Earth: An Introduction to Physical Geology. 9a ed.

MLA (8th ed.) Citation

Tarbuck, Edward J., and Frederick K. Lutgens. Earth: An Introduction to Physical Geology. 9a ed.

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