APA (7th ed.) Citation

Keay, F. (1972). Marketing and sales forecasting ([1st ed.].). Pergamon Press.

Chicago Style (17th ed.) Citation

Keay, Frederick. Marketing and Sales Forecasting. [1st ed.]. Oxford, New York: Pergamon Press, 1972.

MLA (9th ed.) Citation

Keay, Frederick. Marketing and Sales Forecasting. [1st ed.]. Pergamon Press, 1972.