APA Citation

Wigfield, A., & Wentzel, K. R. Handbook of motivation at school.

Chicago Style Citation

Wigfield, Allan, and Kathryn R. Wentzel. Handbook of Motivation At School.

MLA Citation

Wigfield, Allan, and Kathryn R. Wentzel. Handbook of Motivation At School.

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