Cita APA (7a ed.)

Kennedy, P. M. (1993). Preparing for the twenty-first century (1a edición.). Random House.

Cita Chicago Style (17a ed.)

Kennedy, Paul M. Preparing for the Twenty-first Century. 1a edición. New York: Random House, 1993.

Cita MLA (9a ed.)

Kennedy, Paul M. Preparing for the Twenty-first Century. 1a edición. Random House, 1993.