APA (7th ed.) Citation

(1993). The guinness book of answers (9th ed.). Guinness Publishing Ltd..

Chicago Style (17th ed.) Citation

The Guinness Book of Answers. 9th ed. Middlesex: Guinness Publishing Ltd., 1993.

MLA (9th ed.) Citation

The Guinness Book of Answers. 9th ed. Guinness Publishing Ltd., 1993.

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