Cita APA

Ley, W. (1968). Rockets, missiles, and men in space. New York: The Viking Press.

Chicago Style Citation

Ley, Willy. Rockets, Missiles, and Men in Space. New York: The Viking Press, 1968.

Cita MLA

Ley, Willy. Rockets, Missiles, and Men in Space. New York: The Viking Press, 1968.