APA Citation

Wickelgren, W. A. 1. (1974). How to solve problems: Elements of a theory of problems and problem solving. San Francisco: W. H. Freeman and Company.

Chicago Style Citation

Wickelgren, Wayne A. 1938-. How to Solve Problems: Elements of a Theory of Problems and Problem Solving. San Francisco: W. H. Freeman and Company, 1974.

MLA Citation

Wickelgren, Wayne A. 1938-. How to Solve Problems: Elements of a Theory of Problems and Problem Solving. San Francisco: W. H. Freeman and Company, 1974.

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