APA

Butler R., . (2000). The greatest threat: Iraq, weapons of mass destruction, and the crisis of global security. New York: Public Affair.

Chicago

Butler Richard, . 2000. The greatest threat: Iraq, weapons of mass destruction, and the crisis of global security. New York: Public Affair.

Harvard

Butler R., . (2000). The greatest threat: Iraq, weapons of mass destruction, and the crisis of global security. New York: Public Affair.

MLA

Butler Richard, . The greatest threat: Iraq, weapons of mass destruction, and the crisis of global security. New York: Public Affair. 2000.