APA (7th ed.) Citation

Ley, W. (1968). The poles (Rev. ed.). Time-Life Books.

Chicago Style (17th ed.) Citation

Ley, Willy. The Poles. Rev. ed. New York: Time-Life Books, 1968.

MLA (8th ed.) Citation

Ley, Willy. The Poles. Rev. ed. Time-Life Books, 1968.