Citazione Stile APA (7a Edizione)

Erickson, J. (1995). The human volcano: Population growth as geologic force. Facts on File.

Citazione stile Chigago Style (17a edizione)

Erickson, Jon. The Human Volcano: Population Growth as Geologic Force. New York: Facts on File, 1995.

Citatione MLA (9a ed.)

Erickson, Jon. The Human Volcano: Population Growth as Geologic Force. Facts on File, 1995.