APA

United States, . (1985). Information on the National School Safety Center. [Washington, D.C: .

Chicago

United States, . 1985. Information on the National School Safety Center. [Washington, D.C: .

Harvard

United States, . (1985). Information on the National School Safety Center. [Washington, D.C: .

MLA

United States, . Information on the National School Safety Center. [Washington, D.C: . 1985.