APA Edition Citation

Robert W Christopherson. (2006). Geosystems: An introduction to physical geography (6th ed.). Pearson.

Chicago Edition Citation

Robert W Christopherson. Geosystems: An Introduction to Physical Geography. 6th ed. New Jersy: Pearson, 2006.

MLA Edition Citation

Robert W Christopherson. Geosystems: An Introduction to Physical Geography. 6th ed. Pearson, 2006.

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