APA (7th ed.) Citation

Elliot, O. (1975). Programmed learning aid for introduction to data processing. Learning Systems.

Chicago Style (17th ed.) Citation

Elliot, Orville. Programmed Learning Aid for Introduction to Data Processing. Homewood, Ill: Learning Systems, 1975.

MLA (9th ed.) Citation

Elliot, Orville. Programmed Learning Aid for Introduction to Data Processing. Learning Systems, 1975.