APA (7th ed.) Citation

Guinness Publishing, Bantam Books, & Kynaston, N. M. E. (2000). Guinness world records 2000 (Millennium Edition.). Bantam Books.

Chicago Style (17th ed.) Citation

Guinness Publishing, Bantam Books, and Nic Managing Editor Kynaston. Guinness World Records 2000. Millennium Edition. New York: Bantam Books, 2000.

MLA (9th ed.) Citation

Guinness Publishing, et al. Guinness World Records 2000. Millennium Edition. Bantam Books, 2000.