Cita APA (7a ed.)

Kennedy, P. M. (1994). Preparing for the twenty-first century (First Vintage Books edition.). Vintage Books.

Cita Chicago Style (17a ed.)

Kennedy, Paul M. Preparing for the Twenty-first Century. First Vintage Books edition. New York: Vintage Books, 1994.

Cita MLA (8a ed.)

Kennedy, Paul M. Preparing for the Twenty-first Century. First Vintage Books edition. Vintage Books, 1994.