APA

National Institute of Justice (U.S.), . (2017). School safety: by the numbers. [Washington, D.C.]: U.S. Department of Justice, Office of Justice Programs, National Institute of Justice.

Chicago

National Institute of Justice (U.S.), . 2017. School safety: by the numbers. [Washington, D.C.]: U.S. Department of Justice, Office of Justice Programs, National Institute of Justice.

Harvard

National Institute of Justice (U.S.), . (2017). School safety: by the numbers. [Washington, D.C.]: U.S. Department of Justice, Office of Justice Programs, National Institute of Justice.

MLA

National Institute of Justice (U.S.), . School safety: by the numbers. [Washington, D.C.]: U.S. Department of Justice, Office of Justice Programs, National Institute of Justice. 2017.