APA (7th ed.) Citation

World Intellectual Property Organization (Geneva, Switzerland). (2006). International patent classification (8th ed.). WIPO.

Chicago Style (17th ed.) Citation

World Intellectual Property Organization (Geneva, Switzerland). International Patent Classification. 8th ed. Geneva: WIPO, 2006.

MLA (9th ed.) Citation

World Intellectual Property Organization (Geneva, Switzerland). International Patent Classification. 8th ed. WIPO, 2006.

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