Cita APA (7th ed.)

Decker, R. W., & Decker, B. (1991). Mountains of fire: The nature of volcanoes. Cambridge University Press.

Cita Chicago (17th ed.)

Decker, Robert W., i Barbara Decker. Mountains of Fire: The Nature of Volcanoes. Cambridge, New York: Cambridge University Press, 1991.

Cita MLA (9th ed.)

Decker, Robert W., i Barbara Decker. Mountains of Fire: The Nature of Volcanoes. Cambridge University Press, 1991.