APA ציטוט

Ley, W. (1968). Rockets, Missiles, and Men in Space. New York: The New American Library.

Trích dẫn kiểu Chicago

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

ציטוט MLA

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