APA (7th ed.) Citation

Philippine Institute of Volcanology and Seismology. (1987). Geologic hazards and disaster preparedness systems. Philvocs.

Chicago Style (17th ed.) Citation

Philippine Institute of Volcanology and Seismology. Geologic Hazards and Disaster Preparedness Systems. Metro Manila: Philvocs, 1987.

MLA (9th ed.) Citation

Philippine Institute of Volcanology and Seismology. Geologic Hazards and Disaster Preparedness Systems. Philvocs, 1987.

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