APA (7th ed.) Citation

World Book-Childcraft International. (1980). The world book encyclopedia. World Book-Childcraft International.

Chicago Style (17th ed.) Citation

World Book-Childcraft International. The World Book Encyclopedia. Chicago: World Book-Childcraft International, 1980.

MLA (9th ed.) Citation

World Book-Childcraft International. The World Book Encyclopedia. World Book-Childcraft International, 1980.

Warning: These citations may not always be 100% accurate.