Cita APA (7th ed.)

Shearer, P. M. (1999). Introduction to seismology. Cambridge Univ. Pr..

Cita Chicago (17th ed.)

Shearer, Peter M. Introduction to Seismology. Cambridge: Cambridge Univ. Pr., 1999.

Cita MLA (9th ed.)

Shearer, Peter M. Introduction to Seismology. Cambridge Univ. Pr., 1999.