APA (7th ed.) Citation

COOK & MATTHEWS. (1978). The Guinness book of winners and champions. Guinness Superlatives.

Chicago Style (17th ed.) Citation

COOK and MATTHEWS. The Guinness Book of Winners and Champions. London: Guinness Superlatives, 1978.

MLA (8th ed.) Citation

COOK and MATTHEWS. The Guinness Book of Winners and Champions. Guinness Superlatives, 1978.

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