Cita APA (7a ed.)

Tarbuck, E. J., & Lutgens, F. K. (1987). The earth: An introduction to physical geology (2nd ed.). Merrill.

Cita Chicago Style (17a ed.)

Tarbuck, Edward J., y Frederick K. Lutgens. The Earth: An Introduction to Physical Geology. 2nd ed. Columbus, Ohio: Merrill, 1987.

Cita MLA (8a ed.)

Tarbuck, Edward J., y Frederick K. Lutgens. The Earth: An Introduction to Physical Geology. 2nd ed. Merrill, 1987.