APA (7th ed.) Citation

World Educational Films & Thompson, G. (2013). The alder woodwasp and its enemies. World Educational Films.

Chicago Style (17th ed.) Citation

World Educational Films and Gerald Thompson. The Alder Woodwasp and Its Enemies. [Oxford, England]: World Educational Films, 2013.

MLA (9th ed.) Citation

World Educational Films and Gerald Thompson. The Alder Woodwasp and Its Enemies. World Educational Films, 2013.