APA (7th ed.) Citation

Aki, K., & Richards, P. G. (2009). Quantitative seismology / Keiiti Aki, Paul G. Richards (2nd ed.). University Science Books.

Chicago Style (17th ed.) Citation

Aki, Keiiti, and Paul G. Richards. Quantitative Seismology / Keiiti Aki, Paul G. Richards. 2nd ed. Sausalito, CA: University Science Books, 2009.

MLA (9th ed.) Citation

Aki, Keiiti, and Paul G. Richards. Quantitative Seismology / Keiiti Aki, Paul G. Richards. 2nd ed. University Science Books, 2009.

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