APA Citatie

Bullen, K. E., & Bolt, B. A. (1985). Introduction to the theory of seismology. Cambridge University Press.

Chicago Style citaat

Bullen, K. E., en Bruce A. Bolt. Introduction to the Theory of Seismology. New York: Cambridge University Press, 1985.

MLA citatie

Bullen, K. E., en Bruce A. Bolt. Introduction to the Theory of Seismology. Cambridge University Press, 1985.