Rockets, missiles, and space travel.
APA Citation
Ley, W. (1957). Rockets, missiles, and space travel. Rev. and enl. ed. New York: Viking Press.
MLA Citation
Ley, Willy, 1906-1969. Rockets, Missiles, And Space Travel. Rev. and enl. ed. New York: Viking Press, 1957.
Warning: These citations may not always be complete (especially for serials).