APA (7th ed.) Citation

Copulsky, W. (1970). Practice sales forecasting. s.n.,].

Chicago Style (17th ed.) Citation

Copulsky, Willliam. Practice Sales Forecasting. s.n.,], 1970.

MLA (9th ed.) Citation

Copulsky, Willliam. Practice Sales Forecasting. s.n.,], 1970.

Warning: These citations may not always be 100% accurate.