APA (7th ed.) Citation

Ellington, H., Addinall, E., & Percival, F. (1984). Case studies in game design. Kogan Page.

Chicago Style (17th ed.) Citation

Ellington, Henry, Eric Addinall, and Fred Percival. Case Studies in Game Design. London u.a: Kogan Page, 1984.

MLA (9th ed.) Citation

Ellington, Henry, et al. Case Studies in Game Design. Kogan Page, 1984.