APA (7th ed.) Citation

York Zimmerman Inc, WETA-TV (Television station : Washington, D.C.), York, S., & Kingsley, B. (2000). A force more powerful: A century of nonviolent conflict. York Zimmerman.

Chicago Style (17th ed.) Citation

York Zimmerman Inc, D.C.) WETA-TV (Television station : Washington, Steve York, and Ben Kingsley. A Force More Powerful: A Century of Nonviolent Conflict. [United States]: York Zimmerman, 2000.

MLA (9th ed.) Citation

York Zimmerman Inc, et al. A Force More Powerful: A Century of Nonviolent Conflict. York Zimmerman, 2000.