APA (7th ed.) Citation

Boar, R., & Blundell, N. (2000). The world's greatest UFO mysteries. Hamlyn.

Chicago Style (17th ed.) Citation

Boar, Roger, and Nigel Blundell. The World's Greatest UFO Mysteries. [London]: Hamlyn, 2000.

MLA (9th ed.) Citation

Boar, Roger, and Nigel Blundell. The World's Greatest UFO Mysteries. Hamlyn, 2000.