Style de citation APA

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

Style de citation Chicago

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

Style de citation MLA

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

Attention : ces citations peuvent ne pas être correctes à 100%.