APA (7th ed.) Citation

Bergreen, L. (2003). Over the edge of the world. Harper Collins Pub.

Chicago Style (17th ed.) Citation

Bergreen, Laurence. Over the Edge of the World. New York: Harper Collins Pub, 2003.

MLA (9th ed.) Citation

Bergreen, Laurence. Over the Edge of the World. Harper Collins Pub, 2003.