APA (7th ed.) Citation

Bidarra, J., & Coelho, J. (2017). Once upon a tip..: A story of MOOCs and gamification.

Chicago Style (17th ed.) Citation

Bidarra, José, and José Coelho. Once upon a Tip..: A Story of MOOCs and Gamification. 2017.

MLA (8th ed.) Citation

Bidarra, José, and José Coelho. Once upon a Tip..: A Story of MOOCs and Gamification. 2017.

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