APA (7th ed.) Citation

International Federation for Documentation. (1965). Universal decimal classification: Special edition for education. The Federation.

Chicago Style (17th ed.) Citation

International Federation for Documentation. Universal Decimal Classification: Special Edition for Education. The Hague: The Federation, 1965.

MLA (9th ed.) Citation

International Federation for Documentation. Universal Decimal Classification: Special Edition for Education. The Federation, 1965.

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