APA (7th ed.) Citation

The European Free Trade Association. (1967). Convention Establishing the European Free Trade Association. The European Free Trade Association.

Chicago Style (17th ed.) Citation

The European Free Trade Association. Convention Establishing the European Free Trade Association. Ginebra: The European Free Trade Association, 1967.

MLA (9th ed.) Citation

The European Free Trade Association. Convention Establishing the European Free Trade Association. The European Free Trade Association, 1967.