Cita APA (7th ed.)

Drucker, P. F. (1992). Managing for the future: The 1990s and beyond. Dutton.

Cita Chicago (17th ed.)

Drucker, Peter Ferdinand. Managing for the Future: The 1990s and Beyond. New York: Dutton, 1992.

Cita MLA (9th ed.)

Drucker, Peter Ferdinand. Managing for the Future: The 1990s and Beyond. Dutton, 1992.