APA (7th ed.) Citation

Stirling, S. M., & Drake, D. (2003). Warlord. Baen Books.

Chicago Style (17th ed.) Citation

Stirling, S. M., and David Drake. Warlord. Riverdale, NY: Baen Books, 2003.

MLA (9th ed.) Citation

Stirling, S. M., and David Drake. Warlord. Baen Books, 2003.