APA (7th ed.) Citation

(2000). Guinness world records 2001. Guinness World Records.

Chicago Style (17th ed.) Citation

Guinness World Records 2001. London: Guinness World Records, 2000.

MLA (9th ed.) Citation

Guinness World Records 2001. Guinness World Records, 2000.

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