APA (7th ed.) Citation

McIlwaine, I. (2000). The Universal Decimal Classification: A guide to its use. UDC Consortium.

Chicago Style (17th ed.) Citation

McIlwaine, Ia. The Universal Decimal Classification: A Guide to Its Use. The Hague: UDC Consortium, 2000.

MLA (9th ed.) Citation

McIlwaine, Ia. The Universal Decimal Classification: A Guide to Its Use. UDC Consortium, 2000.