Tilling, R. I. (1989). Volcanic hazards. American Geophysical Union.
Chicago Style (17th ed.) CitationTilling, Robert I. Volcanic Hazards. Washington: American Geophysical Union, 1989.
MLA (9th ed.) CitationTilling, Robert I. Volcanic Hazards. American Geophysical Union, 1989.
Warning: These citations may not always be 100% accurate.