Summers, C. (1999). Collective violence: Harmful behavior in groups and governments. Rowman & Littlefield Publ.
Chicago Style (17th ed.) CitationSummers, Craig. Collective Violence: Harmful Behavior in Groups and Governments. Lanham [u.a.]: Rowman & Littlefield Publ, 1999.
MLA (9th ed.) CitationSummers, Craig. Collective Violence: Harmful Behavior in Groups and Governments. Rowman & Littlefield Publ, 1999.
Warning: These citations may not always be 100% accurate.