APA (7th ed.) Citation

Valenzuela, R. G. (1989). Handbook on natural hazards. Philippine Atmospheric, Geophysical and Astronomical Services Administration, Department of Science and Technology.

Chicago Style (17th ed.) Citation

Valenzuela, Rolando G. Handbook on Natural Hazards. Quezon City: Philippine Atmospheric, Geophysical and Astronomical Services Administration, Department of Science and Technology, 1989.

MLA (9th ed.) Citation

Valenzuela, Rolando G. Handbook on Natural Hazards. Philippine Atmospheric, Geophysical and Astronomical Services Administration, Department of Science and Technology, 1989.