APA (7th ed.) Citation

Madrid Conference on Optimum Currency Areas, 1. The economics of common currencies. George Allen.

Chicago Style (17th ed.) Citation

Madrid Conference on Optimum Currency Areas, 1970. The Economics of Common Currencies. London: George Allen.

MLA (9th ed.) Citation

Madrid Conference on Optimum Currency Areas, 1970. The Economics of Common Currencies. George Allen.

Warning: These citations may not always be 100% accurate.