APA (7th ed.) Citation

World Book Encyclopedia, Inc. (1981). The World Book complete word power library, [volume 2]. World Book Encyclopedia.

Chicago Style (17th ed.) Citation

World Book Encyclopedia, Inc. The World Book Complete Word Power Library, [volume 2]. Chicago: World Book Encyclopedia, 1981.

MLA (9th ed.) Citation

World Book Encyclopedia, Inc. The World Book Complete Word Power Library, [volume 2]. World Book Encyclopedia, 1981.

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