APA (7th ed.) Citation

WHIRTER, N. M. (1999). Guinness book of world records.

Chicago Style (17th ed.) Citation

WHIRTER, Norris Mc. Guinness Book of World Records. 1999.

MLA (8th ed.) Citation

WHIRTER, Norris Mc. Guinness Book of World Records. 1999.

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