APA (7th ed.) Citation

Dunkling, L., & Room, A. (1990). The guiness book of money. Facts on File.

Chicago Style (17th ed.) Citation

Dunkling, Leslie, and Adrian Room. The Guiness Book of Money. New York u.a: Facts on File, 1990.

MLA (9th ed.) Citation

Dunkling, Leslie, and Adrian Room. The Guiness Book of Money. Facts on File, 1990.