APA (7th ed.) Citation

Gemmell, D. A., & Gutierrez, A. (1988). The Jerusalem man. Baen Books.

Chicago Style (17th ed.) Citation

Gemmell, David A., and Alan Gutierrez. The Jerusalem Man. New York, NY: Baen Books, 1988.

MLA (9th ed.) Citation

Gemmell, David A., and Alan Gutierrez. The Jerusalem Man. Baen Books, 1988.