APA (7th ed.) Citation

-. The world book encyclopedia, volume 8 (G). World Book, Inc.

Chicago Style (17th ed.) Citation

-. The World Book Encyclopedia, Volume 8 (G). World Book, Inc.

MLA (8th ed.) Citation

-. The World Book Encyclopedia, Volume 8 (G). World Book, Inc.

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