APA (7th ed.) Citation

National Literature Board (P.N.G.) & National Research Institute (P.N.G.). (1990). National Literature Competition, 1990: The annual poetry competition (Anthology(ies) English- Open section). [National Research Institute].

Chicago Style (17th ed.) Citation

National Literature Board (P.N.G.) and National Research Institute (P.N.G.). National Literature Competition, 1990: The Annual Poetry Competition (Anthology(ies) English- Open Section). [Port Moreby]: [National Research Institute], 1990.

MLA (9th ed.) Citation

National Literature Board (P.N.G.) and National Research Institute (P.N.G.). National Literature Competition, 1990: The Annual Poetry Competition (Anthology(ies) English- Open Section). [National Research Institute], 1990.