APA (7th ed.) Citation

(2012). Guinness World Record 2012. Guinness world records limited.

Chicago Style (17th ed.) Citation

Guinness World Record 2012. London: Guinness world records limited, 2012.

MLA (9th ed.) Citation

Guinness World Record 2012. Guinness world records limited, 2012.

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