Glenday, C. (2012). Guinness World Records, 2013. Guinness World Records.
Cita Chicago Style (17a ed.)Glenday, Craig. Guinness World Records, 2013. [London]: Guinness World Records, 2012.
Cita MLA (8a ed.)Glenday, Craig. Guinness World Records, 2013. Guinness World Records, 2012.
Precaución: Estas citas no son 100% exactas.