APA (7th ed.) Citation

Film Ideas (Firm), World Wide Entertainment (Firm), Drane, M., & Miles, B. F. (2009). Eco-tourism. Film Ideas.

Chicago Style (17th ed.) Citation

Film Ideas (Firm), World Wide Entertainment (Firm), Margaret Drane, and Bruce F. Miles. Eco-tourism. Wheeling, Il: Film Ideas, 2009.

MLA (9th ed.) Citation

Film Ideas (Firm), et al. Eco-tourism. Film Ideas, 2009.