APA (7th ed.) Citation

Knauer, K. (2009). Time great discoveries: Explorations that changed history. Time Inc. Home Entertainment.

Chicago Style (17th ed.) Citation

Knauer, Kelly. Time Great Discoveries: Explorations That Changed History. New York, NY: Time Inc. Home Entertainment, 2009.

MLA (9th ed.) Citation

Knauer, Kelly. Time Great Discoveries: Explorations That Changed History. Time Inc. Home Entertainment, 2009.