APA (7th ed.) Citation

Heiskanen, W. (1958). The earth and its gravity field. McGraw-Hill.

Chicago Style (17th ed.) Citation

Heiskanen, W.A. The Earth and Its Gravity Field. New York: McGraw-Hill, 1958.

MLA (9th ed.) Citation

Heiskanen, W.A. The Earth and Its Gravity Field. McGraw-Hill, 1958.