APA (7th ed.) Citation

(1999). Reader's digest book of amazing facts: A children's guide to the world. Reader's Digest.

Chicago Style (17th ed.) Citation

Reader's Digest Book of Amazing Facts: A Children's Guide to the World. London: Reader's Digest, 1999.

MLA (8th ed.) Citation

Reader's Digest Book of Amazing Facts: A Children's Guide to the World. Reader's Digest, 1999.