APA (7e ed.) Bronvermelding

Tarbuck, E. J., & Lutgens, F. K. (1990). The earth: An introduction to physical geology (3rd ed.). Merrill.

Chicago (17e ed.) Bronvermelding

Tarbuck, Edward J., en Frederick K. Lutgens. The Earth: An Introduction to Physical Geology. 3rd ed. Columbus, Ohio: Merrill, 1990.

MLA (9e ed.) Bronvermelding

Tarbuck, Edward J., en Frederick K. Lutgens. The Earth: An Introduction to Physical Geology. 3rd ed. Merrill, 1990.