APA (7th ed.) Citation

Wilford, J. N. (1982). The mapmakers (Reprint. [of the ed.] New York: Knopf 1981.).

Chicago Style (17th ed.) Citation

Wilford, John N. The Mapmakers. Reprint. [of the ed.] New York: Knopf 1981. New York, 1982.

MLA (9th ed.) Citation

Wilford, John N. The Mapmakers. Reprint. [of the ed.] New York: Knopf 1981. 1982.