Fabiano, E. B. (1983). International geomagnetic reference field 1980: Charts and grid values. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationFabiano, Eugene B. International Geomagnetic Reference Field 1980: Charts and Grid Values. [Reston, Va.]: United States Department of the Interior, Geological Survey, 1983.
MLA (9th ed.) CitationFabiano, Eugene B. International Geomagnetic Reference Field 1980: Charts and Grid Values. United States Department of the Interior, Geological Survey, 1983.
Warning: These citations may not always be 100% accurate.