APA (7th ed.) Citation

American Geophysical Union. (1989). Volcanism and plutonism of western North America. American Geophysical Union.

Chicago Style (17th ed.) Citation

American Geophysical Union. Volcanism and Plutonism of Western North America. Washington, D.C.: American Geophysical Union, 1989.

MLA (9th ed.) Citation

American Geophysical Union. Volcanism and Plutonism of Western North America. American Geophysical Union, 1989.

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