APA (7th ed.) Citation

Grolier Electronic Publishing & Activenture Corporation. (1985). Grolier's KnowledgeDisc: The world's first laser videodisc encyclopedia. Grolier Electronic Publishing.

Chicago Style (17th ed.) Citation

Grolier Electronic Publishing and Activenture Corporation. Grolier's KnowledgeDisc: The World's First Laser Videodisc Encyclopedia. Danbury, Conn.: Grolier Electronic Publishing, 1985.

MLA (9th ed.) Citation

Grolier Electronic Publishing and Activenture Corporation. Grolier's KnowledgeDisc: The World's First Laser Videodisc Encyclopedia. Grolier Electronic Publishing, 1985.