APA (7th ed.) Citation

Pulver, D. L., Jackson, S., & Bröcker, S. (1997). GURPS Space. Pegasus Press.

Chicago Style (17th ed.) Citation

Pulver, David L., Steve Jackson, and Sebastian Bröcker. GURPS Space. [Friedberg]: Pegasus Press, 1997.

MLA (9th ed.) Citation

Pulver, David L., et al. GURPS Space. Pegasus Press, 1997.