APA (7th ed.) Citation

(2012). Guinness World Records 2012. Guinness World Records Limited.

Chicago Style (17th ed.) Citation

Guinness World Records 2012. Great Britain: Guinness World Records Limited, 2012.

MLA (9th ed.) Citation

Guinness World Records 2012. Guinness World Records Limited, 2012.

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