Wicander, R. (2021). Geology: Earth in perspective (Third edition.). Cengage Learning, Inc.
Cita Chicago (17th ed.)Wicander, Reed. Geology: Earth in Perspective. Third edition. Boston: Cengage Learning, Inc, 2021.
Cita MLA (9th ed.)Wicander, Reed. Geology: Earth in Perspective. Third edition. Cengage Learning, Inc, 2021.
Atenció: Aquestes cites poden no estar 100% correctes.