APA (7th ed.) Citation

World Tourism Organization. (1985). Travel abroad frontier formalities: Passports and visas, customs formalties and facilities, health regulations, currency regulations, vehicles. World Tourism Organization.

Chicago Style (17th ed.) Citation

World Tourism Organization. Travel Abroad Frontier Formalities: Passports and Visas, Customs Formalties and Facilities, Health Regulations, Currency Regulations, Vehicles. [Madrid]: World Tourism Organization, 1985.

MLA (9th ed.) Citation

World Tourism Organization. Travel Abroad Frontier Formalities: Passports and Visas, Customs Formalties and Facilities, Health Regulations, Currency Regulations, Vehicles. World Tourism Organization, 1985.