APA (7th ed.) Citation

Keaton, J. R., & Morris, R. (1989). Engineering geology of western United States urban centers: Los Angeles, California to Denver, Colorado, June 27-July 7, 1989. American Geophysical Union.

Chicago Style (17th ed.) Citation

Keaton, Jeffrey R., and Richard Morris. Engineering Geology of Western United States Urban Centers: Los Angeles, California to Denver, Colorado, June 27-July 7, 1989. Washington, D.C.: American Geophysical Union, 1989.

MLA (9th ed.) Citation

Keaton, Jeffrey R., and Richard Morris. Engineering Geology of Western United States Urban Centers: Los Angeles, California to Denver, Colorado, June 27-July 7, 1989. American Geophysical Union, 1989.