APA (7th ed.) Citation

Warner, M., Crisp, R., & Crisp, R. (1990). Terrorism, protest and power. Edward Elgar.

Chicago Style (17th ed.) Citation

Warner, Martin, Roger Crisp, and Roger Crisp. Terrorism, Protest and Power. Aldershot, Hants, England: Edward Elgar, 1990.

MLA (8th ed.) Citation

Warner, Martin, et al. Terrorism, Protest and Power. Edward Elgar, 1990.