APA (7th ed.) Citation

Dixon, D., Robinson, A., & Johnston, D. (1989). The illustrated dinosaur encyclopedia. Hamlyn.

Chicago Style (17th ed.) Citation

Dixon, Dougal, Andrew Robinson, and David Johnston. The Illustrated Dinosaur Encyclopedia. London: Hamlyn, 1989.

MLA (9th ed.) Citation

Dixon, Dougal, et al. The Illustrated Dinosaur Encyclopedia. Hamlyn, 1989.