APA Citatie

Ley, W. (1969). Rockets, Missiles an men in Space. New American Library.

Chicago Style citaat

Ley, Willy. Rockets, Missiles an Men in Space. New York: New American Library, 1969.

MLA citatie

Ley, Willy. Rockets, Missiles an Men in Space. New American Library, 1969.

Let op: Deze citaties zijn niet altijd 100% accuraat.