Geological Survey (U.S.)\nNational Earthquake Information Center. (1967). Earthquake Information Bulletin. National Earthquake Information Center.
Chicago-Zitierstil (17. Ausg.)Geological Survey (U.S.)\nNational Earthquake Information Center. Earthquake Information Bulletin. Rockville, Md: National Earthquake Information Center, 1967.
MLA-Zitierstil (8. Ausg.)Geological Survey (U.S.)\nNational Earthquake Information Center. Earthquake Information Bulletin. National Earthquake Information Center, 1967.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.