ScienceDirect (Online service). (1959). The histories of the International Polar Years and the inception and development of the International Geophysical Year. Pergamon Press.
Chicago Style (17th ed.) CitationScienceDirect (Online service). The Histories of the International Polar Years and the Inception and Development of the International Geophysical Year. London: Pergamon Press, 1959.
MLA (9th ed.) CitationScienceDirect (Online service). The Histories of the International Polar Years and the Inception and Development of the International Geophysical Year. Pergamon Press, 1959.
Warning: These citations may not always be 100% accurate.