-. The world book encyclopedia, volume 4 (Ci-Cz). World Book, Inc.
Chicago Style (17th ed.) Citation-. The World Book Encyclopedia, Volume 4 (Ci-Cz). World Book, Inc.
MLA (8th ed.) Citation-. The World Book Encyclopedia, Volume 4 (Ci-Cz). World Book, Inc.
Warning: These citations may not always be 100% accurate.