APA Edition Citation

Grotzinger, J. P., & Jordan, T. H. (2014). Understanding Earth (7th edition.). W.H.Freeman.

Chicago Edition Citation

Grotzinger, John P., and Thomas H. Jordan. Understanding Earth. 7th edition. NewYork: W.H.Freeman, 2014.

MLA Edition Citation

Grotzinger, John P., and Thomas H. Jordan. Understanding Earth. 7th edition. W.H.Freeman, 2014.

Warning: These citations may not always be 100% accurate.