APA (7th ed.) Citation

International Federation for Documentation. (1974). National referral service for industry: Worldwide directory (4th ed.). Federation Intenationale de Documentation.

Chicago Style (17th ed.) Citation

International Federation for Documentation. National Referral Service for Industry: Worldwide Directory. 4th ed. The Hague: Federation Intenationale de Documentation, 1974.

MLA (9th ed.) Citation

International Federation for Documentation. National Referral Service for Industry: Worldwide Directory. 4th ed. Federation Intenationale de Documentation, 1974.