APA (7th ed.) Citation

Gaiam Americas, Inc, & Discovery Communications, Inc. (2011). When dinosaurs ruled ([Standard format].). Gaiam Americas.

Chicago Style (17th ed.) Citation

Gaiam Americas, Inc, and Inc Discovery Communications. When Dinosaurs Ruled. [Standard format]. Louisville, CO: Gaiam Americas, 2011.

MLA (8th ed.) Citation

Gaiam Americas, Inc, and Inc Discovery Communications. When Dinosaurs Ruled. [Standard format]. Gaiam Americas, 2011.

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