APA (7th ed.) Citation

(1989). The Guinness book of answers (7th ed.). Guiness Publishing.

Chicago Style (17th ed.) Citation

The Guinness Book of Answers. 7th ed. Enfield, Middlesex: Guiness Publishing, 1989.

MLA (9th ed.) Citation

The Guinness Book of Answers. 7th ed. Guiness Publishing, 1989.

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