APA (7e ed.) Bronvermelding

Wicander, R., & Monroe, J. S. (2016). Historical geology: Evolution of earth & life through time (8e.). Cengage Learning.

Chicago (17e ed.) Bronvermelding

Wicander, Reed, en James S. Monroe. Historical Geology: Evolution of Earth & Life Through Time. 8e. Boston, MA: Cengage Learning, 2016.

MLA (9e ed.) Bronvermelding

Wicander, Reed, en James S. Monroe. Historical Geology: Evolution of Earth & Life Through Time. 8e. Cengage Learning, 2016.