APA (7th ed.) Citation

Niven, L., & Pournelle, J. (2009). Escape from hell (1. ed.). Tor.

Chicago Style (17th ed.) Citation

Niven, Larry, and Jerry Pournelle. Escape from Hell. 1. ed. New York: Tor, 2009.

MLA (9th ed.) Citation

Niven, Larry, and Jerry Pournelle. Escape from Hell. 1. ed. Tor, 2009.