Cita APA

World Intellectual Property Organization. (1970). Patent cooperation treaty (PCT), done at Washington, June 19, 1970. World Intellectual Property Organization.

Citación estilo Chicago

World Intellectual Property Organization. Patent Cooperation Treaty (PCT), Done at Washington, June 19, 1970. Geneva: World Intellectual Property Organization, 1970.

Cita MLA

World Intellectual Property Organization. Patent Cooperation Treaty (PCT), Done at Washington, June 19, 1970. World Intellectual Property Organization, 1970.