APA (7th ed.) Citation

Johns, R. J. (1988). The Watut watershed project. Papua New Guinea University of Technology.

Chicago Style (17th ed.) Citation

Johns, R. J. The Watut Watershed Project. Lae, PNG: Papua New Guinea University of Technology, 1988.

MLA (9th ed.) Citation

Johns, R. J. The Watut Watershed Project. Papua New Guinea University of Technology, 1988.