APA (7th ed.) Citation

New Dimension Media, Inc, Questar, Inc, & PLATO Learning (Firm). (2006). Science. Distributed by Questar.

Chicago Style (17th ed.) Citation

New Dimension Media, Inc, Inc Questar, and PLATO Learning (Firm). Science. Chicago, Ill.: Distributed by Questar, 2006.

MLA (9th ed.) Citation

New Dimension Media, Inc, et al. Science. Distributed by Questar, 2006.