APA (7th ed.) Citation

Frensch, P., & Funke, J. (2002). Thinking and problem solving. Encyclopedia of Life Support Systems.

Chicago Style (17th ed.) Citation

Frensch, Peter, and Joachim Funke. "Thinking and Problem Solving." Encyclopedia of Life Support Systems 2002.

MLA (9th ed.) Citation

Frensch, Peter, and Joachim Funke. "Thinking and Problem Solving." Encyclopedia of Life Support Systems, 2002.

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