APA (7th ed.) Citation

Kennedy, P. M. (1993). Preparing for the twenty-first century. Vintage Books.

Chicago Style (17th ed.) Citation

Kennedy, Paul M. Preparing for the Twenty-first Century. New York: Vintage Books, 1993.

MLA (9th ed.) Citation

Kennedy, Paul M. Preparing for the Twenty-first Century. Vintage Books, 1993.