APA (7th ed.) Citation

Gunn, A. M. (2001). The impact of geology on the United States: A reference guide to benefits and hazards. Greenwood Press.

Chicago Style (17th ed.) Citation

Gunn, Angus M. The Impact of Geology on the United States: A Reference Guide to Benefits and Hazards. Westport, Conn.: Greenwood Press, 2001.

MLA (9th ed.) Citation

Gunn, Angus M. The Impact of Geology on the United States: A Reference Guide to Benefits and Hazards. Greenwood Press, 2001.