APA (7th ed.) Citation

Europäische Freihandelsassoziation. (1968). Using EFTA: How to start selling in the European Free Trade Area. EFTA.

Chicago Style (17th ed.) Citation

Europäische Freihandelsassoziation. Using EFTA: How to Start Selling in the European Free Trade Area. Geneva: EFTA, 1968.

MLA (9th ed.) Citation

Europäische Freihandelsassoziation. Using EFTA: How to Start Selling in the European Free Trade Area. EFTA, 1968.

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