APA (7th ed.) Citation

Wertheimer, M., & Wertheimer, M. (1959). Productive thinking. Harper & Row, Publishers.

Chicago Style (17th ed.) Citation

Wertheimer, Max, and Michael Wertheimer. Productive Thinking. New York: Harper & Row, Publishers, 1959.

MLA (8th ed.) Citation

Wertheimer, Max, and Michael Wertheimer. Productive Thinking. Harper & Row, Publishers, 1959.

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