APA (7th ed.) Citation

West, K. (2008). Layers of the earth. Chelsea House.

Chicago Style (17th ed.) Citation

West, Krista. Layers of the Earth. New York: Chelsea House, 2008.

MLA (9th ed.) Citation

West, Krista. Layers of the Earth. Chelsea House, 2008.

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