APA (7th ed.) Citation

Clark, J. (1992). Earthquakes to volcanoes. Gloucester Press.

Chicago Style (17th ed.) Citation

Clark, John. Earthquakes to Volcanoes. London: Gloucester Press, 1992.

MLA (9th ed.) Citation

Clark, John. Earthquakes to Volcanoes. Gloucester Press, 1992.

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