Franklin

MLA

Armstrong, Jon Scott. Long-range Forecasting : From Crystal Ball to Computer. 2nd ed. New York: Wiley, 1985.

APA

Armstrong, J. Scott. (1985). Long-range forecasting : from crystal ball to computer. 2nd ed. New York: Wiley.

Chicago

Armstrong, Jon Scott, Long-Range Forecasting: From Crystal Ball to Computer. 2nd ed. New York: Wiley, 1985.