APA (7th ed.) Citation

Ley, W. (1967). Engineers' dreams (Rev. ed. 9. print.). Viking Press.

Chicago Style (17th ed.) Citation

Ley, Willy. Engineers' Dreams. Rev. ed. 9. print. New York: Viking Press, 1967.

MLA (9th ed.) Citation

Ley, Willy. Engineers' Dreams. Rev. ed. 9. print. Viking Press, 1967.