APA (7th ed.) Citation

Bullard, F. M. (1984). Volcanoes of the Earth (2nd rev. ed.). University of Texas Press.

Chicago Style (17th ed.) Citation

Bullard, Fred M. Volcanoes of the Earth. 2nd rev. ed. Austin: University of Texas Press, 1984.

MLA (9th ed.) Citation

Bullard, Fred M. Volcanoes of the Earth. 2nd rev. ed. University of Texas Press, 1984.