APA (7th ed.) Citation

Ellington, H., Addinall, E., & Percival, F. (1981). Games and simulations in science education. Kogan Page.

Chicago Style (17th ed.) Citation

Ellington, Henry, Eric Addinall, and Fred Percival. Games and Simulations in Science Education. London: Kogan Page, 1981.

MLA (9th ed.) Citation

Ellington, Henry, et al. Games and Simulations in Science Education. Kogan Page, 1981.