APA (7th ed.) Citation

Firth, R., Francis, N., & Tempesta, F. (2001). Dinosaurs. Usborne.

Chicago Style (17th ed.) Citation

Firth, Rachel, Neil Francis, and Franco Tempesta. Dinosaurs. London: Usborne, 2001.

MLA (9th ed.) Citation

Firth, Rachel, et al. Dinosaurs. Usborne, 2001.