Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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