APA (7th ed.) Citation

World Intellectual Property Organization & Sapalo, I. S. (1988). Background reading material on intellectual property system of the Philippines (Rev. ed. 1994.). World Intellectual Property Organization.

Chicago Style (17th ed.) Citation

World Intellectual Property Organization and Ignacio S. Sapalo. Background Reading Material on Intellectual Property System of the Philippines. Rev. ed. 1994. [Geneva, Switzerland]: World Intellectual Property Organization, 1988.

MLA (9th ed.) Citation

World Intellectual Property Organization and Ignacio S. Sapalo. Background Reading Material on Intellectual Property System of the Philippines. Rev. ed. 1994. World Intellectual Property Organization, 1988.