APA (7th ed.) Citation

(1955). The Guinness book of world records. Guinness Superlatives.

Chicago Style (17th ed.) Citation

The Guinness Book of World Records. London: Guinness Superlatives, 1955.

MLA (9th ed.) Citation

The Guinness Book of World Records. Guinness Superlatives, 1955.

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