APA (7th ed.) Citation

Osborne, M. P., & Masson, P. (2008). Valley of the dinosaurs. Random House Children's Publishers UK.

Chicago Style (17th ed.) Citation

Osborne, Mary Pope, and Philippe Masson. Valley of the Dinosaurs. London: Random House Children's Publishers UK, 2008.

MLA (9th ed.) Citation

Osborne, Mary Pope, and Philippe Masson. Valley of the Dinosaurs. Random House Children's Publishers UK, 2008.

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