APA (7th ed.) Citation

(2004). Guinness world records 2005 (Special 50th anniversary ed.). Guiness World Records.

Chicago Style (17th ed.) Citation

Guinness World Records 2005. Special 50th anniversary ed. [London]: Guiness World Records, 2004.

MLA (9th ed.) Citation

Guinness World Records 2005. Special 50th anniversary ed. Guiness World Records, 2004.

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