Cita APA (7th ed.)

Wicander, R., & Monroe, J. S. (2004). Historical geology: Evolution of earth and life through time (4th ed.). Thomson-Brooks.

Cita Chicago (17th ed.)

Wicander, Reed, i James S. Monroe. Historical Geology: Evolution of Earth and Life Through Time. 4th ed. Belmont, CA: Thomson-Brooks, 2004.

Cita MLA (8th ed.)

Wicander, Reed, i James S. Monroe. Historical Geology: Evolution of Earth and Life Through Time. 4th ed. Thomson-Brooks, 2004.