APA (7th ed.) Citation

Van Rijn, P. P. (1975). Programmed learning aid for thinking and conceptual behavior. Learning Systems.

Chicago Style (17th ed.) Citation

Van Rijn, Paul P. Programmed Learning Aid for Thinking and Conceptual Behavior. Homewood, Ill: Learning Systems, 1975.

MLA (9th ed.) Citation

Van Rijn, Paul P. Programmed Learning Aid for Thinking and Conceptual Behavior. Learning Systems, 1975.