APA (7th ed.) Citation

ChristophersonlhRobert W. Geosystems: An introduction to physical geography (4th ed.).

Chicago Style (17th ed.) Citation

ChristophersonlhRobert W. Geosystems: An Introduction to Physical Geography. 4th ed. New JerseylbPrentice halllc2000.

MLA (9th ed.) Citation

ChristophersonlhRobert W. Geosystems: An Introduction to Physical Geography. 4th ed.

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