APA (7th ed.) Citation

Lutgens, F. K., & Tarbuck, E. J. (1992). Essentials of geology (4. ed., 2. print.). Macmillan.

Chicago Style (17th ed.) Citation

Lutgens, Frederick K., and Edward J. Tarbuck. Essentials of Geology. 4. ed., 2. print. New York u.a: Macmillan, 1992.

MLA (9th ed.) Citation

Lutgens, Frederick K., and Edward J. Tarbuck. Essentials of Geology. 4. ed., 2. print. Macmillan, 1992.