APA (7th ed.) Citation

Guinness World Records Limited. (2004). Guinness world records 2005 ([Special 50th anniversary edition].). Guinnes World Records Limited.

Chicago Style (17th ed.) Citation

Guinness World Records Limited. Guinness World Records 2005. [Special 50th anniversary edition]. [London]: Guinnes World Records Limited, 2004.

MLA (9th ed.) Citation

Guinness World Records Limited. Guinness World Records 2005. [Special 50th anniversary edition]. Guinnes World Records Limited, 2004.

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