APA (7th ed.) Citation

Discovery Communications, Inc, Discovery Channel (Firm), & Summer Productions. (1997). Aquatic habitats. Discovery Communications.

Chicago Style (17th ed.) Citation

Discovery Communications, Inc, Discovery Channel (Firm), and Summer Productions. Aquatic Habitats. [Bethesda, MD]: Discovery Communications, 1997.

MLA (8th ed.) Citation

Discovery Communications, Inc, et al. Aquatic Habitats. Discovery Communications, 1997.