Cita APA

Guinness World Records Limited., & Glenday, C. (2007). Guinness world records 2008. [New York]: Guinness World Records.

Chicago Style Citation

Guinness World Records Limited., i Craig Glenday. Guinness World Records 2008. [New York]: Guinness World Records, 2007.

Cita MLA

Guinness World Records Limited., i Craig Glenday. Guinness World Records 2008. [New York]: Guinness World Records, 2007.

Atenció: Aquestes cites poden no estar 100% correctes.