Cita APA

Gates, A. E. (2007). Encyclopedia of earthquakes and volcanoes (3rd ed.). Facts on File.

Citación estilo Chicago

Gates, Alexander E. Encyclopedia of Earthquakes and Volcanoes. 3rd ed. New York: Facts on File, 2007.

Cita MLA

Gates, Alexander E. Encyclopedia of Earthquakes and Volcanoes. 3rd ed. Facts on File, 2007.

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