Wenkam, R. (1987). The edge of fire: Volcano and earthquake country in western North America and Hawaii. Sierra Club Books.
Chicago Style (17th ed.) CitationWenkam, Robert. The Edge of Fire: Volcano and Earthquake Country in Western North America and Hawaii. San Francisco: Sierra Club Books, 1987.
MLA (9th ed.) CitationWenkam, Robert. The Edge of Fire: Volcano and Earthquake Country in Western North America and Hawaii. Sierra Club Books, 1987.
Warning: These citations may not always be 100% accurate.