APA (7th ed.) Citation

Spires, D. N., Bradley, G. W., Sturdevant, R. W., & Eckert, R. S. (1998). Beyond horizons: A half century of Air Force space leadership (Rev. ed.). The Command.

Chicago Style (17th ed.) Citation

Spires, David N., George W. Bradley, Rick W. Sturdevant, and Richard S. Eckert. Beyond Horizons: A Half Century of Air Force Space Leadership. Rev. ed. [Peterson AFB, Colo.]: The Command, 1998.

MLA (9th ed.) Citation

Spires, David N., et al. Beyond Horizons: A Half Century of Air Force Space Leadership. Rev. ed. The Command, 1998.