APA (7th ed.) Citation

Ley, W., Wittmann, K., & Hallmann, W. (2009). Handbook of space technology. Wiley.

Chicago Style (17th ed.) Citation

Ley, Wilfried, Klaus Wittmann, and Willi Hallmann. Handbook of Space Technology. Chichester, U.K.: Wiley, 2009.

MLA (8th ed.) Citation

Ley, Wilfried, et al. Handbook of Space Technology. Wiley, 2009.