Παραπομπή APA

Bolt, B. A. (2004). Earthquakes (5th ed.). W.H. Freeman.

Παραπομπή Chicago Style

Bolt, Bruce A. Earthquakes. 5th ed. New York: W.H. Freeman, 2004.

Παραπομπή MLA

Bolt, Bruce A. Earthquakes. 5th ed. W.H. Freeman, 2004.