APA (7th ed.) Citation

Roleff, T. L., Cothran, H., & Torr, J. D. (2001). Extremist groups: Opposing viewpoints. Greenhaven Press.

Chicago Style (17th ed.) Citation

Roleff, Tamara L., Helen Cothran, and James D. Torr. Extremist Groups: Opposing Viewpoints. San Diego, Calif.: Greenhaven Press, 2001.

MLA (9th ed.) Citation

Roleff, Tamara L., et al. Extremist Groups: Opposing Viewpoints. Greenhaven Press, 2001.