APA استشهاد

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

استشهاد بنمط شيكاغو

Martin, Debra L., و David W. Frayer. Troubled Times: Violence and Warfare in the Past; War and Society. Australia: Gorden and Breach, 1997.

MLA استشهاد

Martin, Debra L., و David W. Frayer. Troubled Times: Violence and Warfare in the Past; War and Society. Gorden and Breach, 1997.