APA (7th ed.) Citation

McFarlan, D., & McWhirter, N. D. (1991). The Guinness book of records 1989. Facts on File.

Chicago Style (17th ed.) Citation

McFarlan, Donald, and Norris D. McWhirter. The Guinness Book of Records 1989. London: Facts on File, 1991.

MLA (9th ed.) Citation

McFarlan, Donald, and Norris D. McWhirter. The Guinness Book of Records 1989. Facts on File, 1991.