APA (7th ed.) Citation

Ley, W. (1957). Rockets, missiles and space travel / by W. Ley (2nd ed.). Chapman and Hall.

Chicago Style (17th ed.) Citation

Ley, W. Rockets, Missiles and Space Travel / by W. Ley. 2nd ed. Chapman and Hall, 1957.

MLA (9th ed.) Citation

Ley, W. Rockets, Missiles and Space Travel / by W. Ley. 2nd ed. Chapman and Hall, 1957.

Warning: These citations may not always be 100% accurate.