Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.