APA (7th ed.) Citation

Whithaker, R. K. C. a. G. R. Forecasting methods. Rinehard D. Irwin.

Chicago Style (17th ed.) Citation

Whithaker, Roger K. Chisholm and Gilbert R. Forecasting Methods. Rinehard D. Irwin.

MLA (8th ed.) Citation

Whithaker, Roger K. Chisholm and Gilbert R. Forecasting Methods. Rinehard D. Irwin.

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