APA (7th ed.) Citation

Martin, D. L., & Frayer, D. W. (1997). Troubled times: Violence and warfare in the past. Gordon and Breach.

Chicago Style (17th ed.) Citation

Martin, Debra L., and David W. Frayer. Troubled Times: Violence and Warfare in the Past. Amsterdam: Gordon and Breach, 1997.

MLA (9th ed.) Citation

Martin, Debra L., and David W. Frayer. Troubled Times: Violence and Warfare in the Past. Gordon and Breach, 1997.