APA Citation

Sigurdsson, H., & Houghton, B. (2015). The encyclopedia of volcanoes (Second edition.). London: Elsevier/AP.

Chicago Style Citation

Sigurdsson, Haraldur,, and Bruce Houghton. The Encyclopedia of Volcanoes. Second edition. London: Elsevier/AP, 2015.

MLA Citation

Sigurdsson, Haraldur,, and Bruce Houghton. The Encyclopedia of Volcanoes. Second edition. London: Elsevier/AP, 2015.

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