APA (7th ed.) Citation

Wilford, J. N. (1981). The mapmakers. Alfred A. Knopf.

Chicago Style (17th ed.) Citation

Wilford, John Noble. The Mapmakers. New York: Alfred A. Knopf, 1981.

MLA (9th ed.) Citation

Wilford, John Noble. The Mapmakers. Alfred A. Knopf, 1981.

Warning: These citations may not always be 100% accurate.