Cita APA (7a ed.)

EFTA. (1961). Annual report of the European Free Trade Association. European Free Trade Association.

Cita Chicago Style (17a ed.)

EFTA. Annual Report of the European Free Trade Association. Geneva: European Free Trade Association, 1961.

Cita MLA (9a ed.)

EFTA. Annual Report of the European Free Trade Association. European Free Trade Association, 1961.