Cita APA

Guinness World Records Limited., & Glenday, C. (2009). Guinness world records 2010. [London]: Guinness World Records.

Chicago Style Citation

Guinness World Records Limited., i Craig Glenday. Guinness World Records 2010. [London]: Guinness World Records, 2009.

Cita MLA

Guinness World Records Limited., i Craig Glenday. Guinness World Records 2010. [London]: Guinness World Records, 2009.

Atenció: Aquestes cites poden no estar 100% correctes.