APA (7th ed.) Citation

Ludman, A., & West, D. P. (1999). Norumbega fault system of the northern Appalachians. Geological Society of America.

Chicago Style (17th ed.) Citation

Ludman, Allan, and David P. West. Norumbega Fault System of the Northern Appalachians. Boulder, Colo.: Geological Society of America, 1999.

MLA (9th ed.) Citation

Ludman, Allan, and David P. West. Norumbega Fault System of the Northern Appalachians. Geological Society of America, 1999.