APA (7th ed.) Citation

Firth & Doherty. (2006). Dinosaurs. Usborne.

Chicago Style (17th ed.) Citation

Firth and Doherty. Dinosaurs. London: Usborne, 2006.

MLA (8th ed.) Citation

Firth and Doherty. Dinosaurs. Usborne, 2006.

Warning: These citations may not always be 100% accurate.