Cita APA

Tarbuck, E. J., & Lutgens, F. K. (1987). The earth: An introduction to physical geology. Columbus, Ohio: Merrill Pub. Co..

Citación estilo Chicago

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

Cita MLA

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