APA (7th ed.) Citation

Bullen, K. E. (1953). An introduction to the theory of seismology (2nd ed.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Bullen, K. E. An Introduction to the Theory of Seismology. 2nd ed. Cambridge: Cambridge University Press, 1953.

MLA (8th ed.) Citation

Bullen, K. E. An Introduction to the Theory of Seismology. 2nd ed. Cambridge University Press, 1953.

Warning: These citations may not always be 100% accurate.