APA Citation

Heckhausen, J., & Heckhausen, H. Motivation and action.

Chicago Style Citation

Heckhausen, Jutta, and Heinz Heckhausen. Motivation and Action.

MLA Citation

Heckhausen, Jutta, and Heinz Heckhausen. Motivation and Action.

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