APA (7th ed.) Citation

Bullard, F. M. (1980). Volcanoes of the earth (Rev. ed., 2. print.). Univ. of Texas Press.

Chicago Style (17th ed.) Citation

Bullard, Fred M. Volcanoes of the Earth. Rev. ed., 2. print. Austin [u.a.]: Univ. of Texas Press, 1980.

MLA (9th ed.) Citation

Bullard, Fred M. Volcanoes of the Earth. Rev. ed., 2. print. Univ. of Texas Press, 1980.