Cita APA (7th ed.)

Bell, F. (1999). Geological hazards: Their assessment, avoidance and mitigation (3rd ed.). E. & FN Spon.

Cita Chicago (17th ed.)

Bell, F.G. Geological Hazards: Their Assessment, Avoidance and Mitigation. 3rd ed. London: E. & FN Spon, 1999.

Cita MLA (9th ed.)

Bell, F.G. Geological Hazards: Their Assessment, Avoidance and Mitigation. 3rd ed. E. & FN Spon, 1999.