APA (7th ed.) Citation

(1978). Children britannica: Volume 9 helen of troy to ivy. Encyclopeadia Britannica International Ltd.

Chicago Style (17th ed.) Citation

Children Britannica: Volume 9 Helen of Troy to Ivy. London: Encyclopeadia Britannica International Ltd, 1978.

MLA (9th ed.) Citation

Children Britannica: Volume 9 Helen of Troy to Ivy. Encyclopeadia Britannica International Ltd, 1978.

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