Friedberg, R. (1962). Coins of the British world, complete from 500 A.D. to the present: An illustrated standard catalogue with valuations of the coinage of the British Isles from 500 A.D., the British empire from 1600 A.D. The Coin and Currency Institute.
Chicago Style (17th ed.) CitationFriedberg, Robert. Coins of the British World, Complete from 500 A.D. to the Present: An Illustrated Standard Catalogue with Valuations of the Coinage of the British Isles from 500 A.D., the British Empire from 1600 A.D. New York: The Coin and Currency Institute, 1962.
MLA (9th ed.) CitationFriedberg, Robert. Coins of the British World, Complete from 500 A.D. to the Present: An Illustrated Standard Catalogue with Valuations of the Coinage of the British Isles from 500 A.D., the British Empire from 1600 A.D. The Coin and Currency Institute, 1962.