MLA

Kapp, Karl M. The Gamification of Learning and Instruction : Game-based Methods and Strategies for Training and Education. San Francisco: Wiley, 2012.

APA

Kapp, K. M. (2012). The gamification of learning and instruction : game-based methods and strategies for training and education. San Francisco: Wiley.

Chicago

Kapp, Karl M., The Gamification of Learning and Instruction: Game-Based Methods and Strategies for Training and Education. San Francisco: Wiley, 2012.