Cita APA (7a ed.)

Monroe, J. S., & Wicander, R. (1997). The changing earth: Exploring geology and evolution (2nd ed.). Wadsworth Pub.

Cita Chicago Style (17a ed.)

Monroe, James S., y Reed Wicander. The Changing Earth: Exploring Geology and Evolution. 2nd ed. Belmont, Calif: Wadsworth Pub, 1997.

Cita MLA (9a ed.)

Monroe, James S., y Reed Wicander. The Changing Earth: Exploring Geology and Evolution. 2nd ed. Wadsworth Pub, 1997.