APA (7th ed.) Citation

Pelton, J. N., & Marshall, P. (2009). License to orbit: The future of commercial space travel. Apogee.

Chicago Style (17th ed.) Citation

Pelton, Joseph N., and Peter Marshall. License to Orbit: The Future of Commercial Space Travel. Burlington, Ont.: Apogee, 2009.

MLA (9th ed.) Citation

Pelton, Joseph N., and Peter Marshall. License to Orbit: The Future of Commercial Space Travel. Apogee, 2009.