APA (7th ed.) Citation

Barkley, S. G. (2007). Tapping student effort, increasing student achievement. Performance Learning Systems.

Chicago Style (17th ed.) Citation

Barkley, Stephen G. Tapping Student Effort, Increasing Student Achievement. Cadiz, KY: Performance Learning Systems, 2007.

MLA (9th ed.) Citation

Barkley, Stephen G. Tapping Student Effort, Increasing Student Achievement. Performance Learning Systems, 2007.