APA (7th ed.) Citation

Decker, R. W., & Decker, B. 1. (1998). Volcanoes (3rd ed.). W.H. Freeman.

Chicago Style (17th ed.) Citation

Decker, Robert W., and Barbara 1929 Decker. Volcanoes. 3rd ed. New York: W.H. Freeman, 1998.

MLA (8th ed.) Citation

Decker, Robert W., and Barbara 1929 Decker. Volcanoes. 3rd ed. W.H. Freeman, 1998.