Citazione Stile APA (7a Edizione)

Armstrong, J. S. (1985). Long-range forecasting: From crystal ball to computer (Wyd. 2.). John Wiley & Sons.

Citazione stile Chigago Style (17a edizione)

Armstrong, Jon Scott. Long-range Forecasting: From Crystal Ball to Computer. Wyd. 2. New York [etc.]: John Wiley & Sons, 1985.

Citatione MLA (9a ed.)

Armstrong, Jon Scott. Long-range Forecasting: From Crystal Ball to Computer. Wyd. 2. John Wiley & Sons, 1985.