APA (7th ed.) Citation

Elliot, J., King, C., Cramford, S., & Craig, A. (1986). The Usborne children's encyclopedia. Usborne Pub.

Chicago Style (17th ed.) Citation

Elliot, Jane, Colin King, Susan Cramford, and Annabel Craig. The Usborne Children's Encyclopedia. London: Usborne Pub, 1986.

MLA (9th ed.) Citation

Elliot, Jane, et al. The Usborne Children's Encyclopedia. Usborne Pub, 1986.