APA (7th ed.) Citation

Discovery Channel School, ENTREX SOFTWARE, & Clock Tower Images, Inc. (2004). Protists [and] fungi [computer file]. Discovery Communications, Inc.

Chicago Style (17th ed.) Citation

Discovery Channel School, ENTREX SOFTWARE, and Inc Clock Tower Images. Protists [and] Fungi [computer File]. [U.S.A.]: Discovery Communications, Inc, 2004.

MLA (9th ed.) Citation

Discovery Channel School, et al. Protists [and] Fungi [computer File]. Discovery Communications, Inc, 2004.