APA (7th ed.) Citation

Stevens, A. (2001). Extensions and corrections to the UDC. No. 23. November 2001 ([1st ed.].). UDC Consortium.

Chicago Style (17th ed.) Citation

Stevens, Alan. Extensions and Corrections to the UDC. No. 23. November 2001. [1st ed.]. Hague: UDC Consortium, 2001.

MLA (9th ed.) Citation

Stevens, Alan. Extensions and Corrections to the UDC. No. 23. November 2001. [1st ed.]. UDC Consortium, 2001.