APA (7th ed.) Citation

(2020). Guinness world records 2020. Guinness World Records Ltd.

Chicago Style (17th ed.) Citation

Guinness World Records 2020. [Place of publication not identified]: Guinness World Records Ltd, 2020.

MLA (8th ed.) Citation

Guinness World Records 2020. Guinness World Records Ltd, 2020.

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