APA (7th ed.) Citation

Glenday, C. (2019). Guinness World Records, 2020. Guinness World Records Ltd..

Chicago Style (17th ed.) Citation

Glenday, Craig. Guinness World Records, 2020. [London, England]: Guinness World Records Ltd., 2019.

MLA (8th ed.) Citation

Glenday, Craig. Guinness World Records, 2020. Guinness World Records Ltd., 2019.

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