APA (7th ed.) Citation

Nagel, R. (2004). U.X.L encyclopedia of landforms and other geologic features: 1. Thompson.

Chicago Style (17th ed.) Citation

Nagel, Rob. U.X.L Encyclopedia of Landforms and Other Geologic Features: 1. Detroit: Thompson, 2004.

MLA (9th ed.) Citation

Nagel, Rob. U.X.L Encyclopedia of Landforms and Other Geologic Features: 1. Thompson, 2004.

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