APA (7th ed.) Citation

Pulver, D. L., Peters, K., Barton, W., Blankenship, L., Jackson, S., Aylott, C., & DeGraff, J. (2006). GURPS ultra-tech (4th ed.). Steve Jackson Games.

Chicago Style (17th ed.) Citation

Pulver, David L., Kenneth Peters, William Barton, Loyd Blankenship, Steve Jackson, Christopher Aylott, and Jesse DeGraff. GURPS Ultra-tech. 4th ed. [Austin, Tex.]: Steve Jackson Games, 2006.

MLA (9th ed.) Citation

Pulver, David L., et al. GURPS Ultra-tech. 4th ed. Steve Jackson Games, 2006.