APA (7th ed.) Citation

(1978). Children's britannica: Volume 20 index and atlas. Encyclopeadia Britannica International Ltd.

Chicago Style (17th ed.) Citation

Children's Britannica: Volume 20 Index and Atlas. London: Encyclopeadia Britannica International Ltd, 1978.

MLA (9th ed.) Citation

Children's Britannica: Volume 20 Index and Atlas. Encyclopeadia Britannica International Ltd, 1978.

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