International Union of Geodesy and Geophysics, International Association of Volcanology and Chemistry of the Earth's Interior, & American Geophysical Union. (1979). U.S. national report, 1975-1978. The Union.
Chicago-Zitierstil (17. Ausg.)International Union of Geodesy and Geophysics, International Association of Volcanology and Chemistry of the Earth's Interior, und American Geophysical Union. U.S. National Report, 1975-1978. [Washington, D.C.]: The Union, 1979.
MLA-Zitierstil (8. Ausg.)International Union of Geodesy and Geophysics, et al. U.S. National Report, 1975-1978. The Union, 1979.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.