APA (7th ed.) Citation

(1989). Guide to geology of the Cascade Range: Portland, Oregon to Seattle, Washington. American Geophysical Union.

Chicago Style (17th ed.) Citation

Guide to Geology of the Cascade Range: Portland, Oregon to Seattle, Washington. Washington, DC: American Geophysical Union, 1989.

MLA (9th ed.) Citation

Guide to Geology of the Cascade Range: Portland, Oregon to Seattle, Washington. American Geophysical Union, 1989.

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