APA (7th ed.) Citation

Plummer, C. C., Carlson, D. H., & Hammersley, L. (2019). Physical geology (Sixteenth edition.). McGraw-Hill Education.

Chicago Style (17th ed.) Citation

Plummer, Charles C., Diane H. Carlson, and Lisa Hammersley. Physical Geology. Sixteenth edition. New York, NY: McGraw-Hill Education, 2019.

MLA (9th ed.) Citation

Plummer, Charles C., et al. Physical Geology. Sixteenth edition. McGraw-Hill Education, 2019.