Cita APA (7a ed.)

Lutgens, F. K., Tarbuck, E. J., & Tasa, D. (2015). Essentials of geology (Twelfth edition, Global edition.). Pearson.

Cita Chicago Style (17a ed.)

Lutgens, Frederick K., Edward J. Tarbuck, y Dennis Tasa. Essentials of Geology. Twelfth edition, Global edition. Harlow, England: Pearson, 2015.

Cita MLA (8a ed.)

Lutgens, Frederick K., et al. Essentials of Geology. Twelfth edition, Global edition. Pearson, 2015.