APA (7th ed.) Citation

Ley, W. (1961). Rockets, missiles, and space travel (Rev. and enl. for the 1960's.). Viking Press.

Chicago Style (17th ed.) Citation

Ley, Willy. Rockets, Missiles, and Space Travel. Rev. and enl. for the 1960's. New York: Viking Press, 1961.

MLA (8th ed.) Citation

Ley, Willy. Rockets, Missiles, and Space Travel. Rev. and enl. for the 1960's. Viking Press, 1961.