APA (7th ed.) Citation

Barker, P. (2009). The ultimate problem based learning: Run your own business.

Chicago Style (17th ed.) Citation

Barker, Phil. The Ultimate Problem Based Learning: Run Your Own Business. 2009.

MLA (9th ed.) Citation

Barker, Phil. The Ultimate Problem Based Learning: Run Your Own Business. 2009.

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