APA Alıntı

Ley, W. (1968). Rockets, missiles and men in space. Ley.

Chicago Stili Alıntı

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

MLA Alıntı

Ley, Willy. Rockets, Missiles and Men in Space. Ley, 1968.