APA (7th ed.) Citation

Pyle, W. W. (1970). Programmed learning aid for elementary accounting. Learning Systems Co..

Chicago Style (17th ed.) Citation

Pyle, William W. Programmed Learning Aid for Elementary Accounting. Homewood, Ill.: Learning Systems Co., 1970.

MLA (8th ed.) Citation

Pyle, William W. Programmed Learning Aid for Elementary Accounting. Learning Systems Co., 1970.

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