APA (7th ed.) Citation

Shearer, P. M. (1999). Introduction to seismology. The University Press.

Chicago Style (17th ed.) Citation

Shearer, Peter M. Introduction to Seismology. Cambridge, UK: The University Press, 1999.

MLA (9th ed.) Citation

Shearer, Peter M. Introduction to Seismology. The University Press, 1999.