Cita APA (7a ed.)

MAKRIDAKIS, S. G. (1990). Forecasting, planning, and strategy for the 21 st century. The Free Press.

Cita Chicago Style (17a ed.)

MAKRIDAKIS, Spyros G. Forecasting, Planning, and Strategy for the 21 St Century. New York: The Free Press, 1990.

Cita MLA (9a ed.)

MAKRIDAKIS, Spyros G. Forecasting, Planning, and Strategy for the 21 St Century. The Free Press, 1990.