Gameplay mechanics : game development essentials.

MLA

Dunniway, Troy, and Jeannie Novak. Gameplay Mechanics : Game Development Essentials. New York: Delmar Cengage Learning, 2008.

APA

Dunniway, T., & Novak, J. (2008). Gameplay mechanics : game development essentials. New York: Delmar Cengage Learning.

Chicago

Dunniway, Troy, and Jeannie Novak. Gameplay Mechanics: Game Development Essentials. New York: Delmar Cengage Learning, 2008.