Carnegie Institution of Washington. Department of Terrestrial Magnetism & Vestine, E. H. (1947). Description of the earth's main magnetic field and its secular change, 1905-1945. [publisher not identified].
Chicago Style (17th ed.) CitationCarnegie Institution of Washington. Department of Terrestrial Magnetism and E. H. Vestine. Description of the Earth's Main Magnetic Field and Its Secular Change, 1905-1945. Washington, D.C.: [publisher not identified], 1947.
MLA (9th ed.) CitationCarnegie Institution of Washington. Department of Terrestrial Magnetism and E. H. Vestine. Description of the Earth's Main Magnetic Field and Its Secular Change, 1905-1945. [publisher not identified], 1947.
Warning: These citations may not always be 100% accurate.