APA (7th ed.) Citation

(2013). The world book encyclopedia volume 15 - P. World Book.

Chicago Style (17th ed.) Citation

The World Book Encyclopedia Volume 15 - P. Chicago: World Book, 2013.

MLA (9th ed.) Citation

The World Book Encyclopedia Volume 15 - P. World Book, 2013.

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