Cita APA

(2006). Guinness world records, 2007. Guinness World Records Ltd.

Citación estilo Chicago

Guinness World Records, 2007. London: Guinness World Records Ltd, 2006.

Cita MLA

Guinness World Records, 2007. Guinness World Records Ltd, 2006.

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