Citazione Stile APA (7a Edizione)

Kennedy, P. M. (1993). Preparing for the twenty-first century. Random House.

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

Kennedy, Paul M. Preparing for the Twenty-first Century. Random House, 1993.