APA (7th ed.) Citation

Johns, R. J., & Payet, R. (1987). Introduction to ecology: Lecture notes for biology field course - Aiyura. Papua New Guinea University of Technology.

Chicago Style (17th ed.) Citation

Johns, R. J., and R. Payet. Introduction to Ecology: Lecture Notes for Biology Field Course - Aiyura. [Lae]: Papua New Guinea University of Technology, 1987.

MLA (9th ed.) Citation

Johns, R. J., and R. Payet. Introduction to Ecology: Lecture Notes for Biology Field Course - Aiyura. Papua New Guinea University of Technology, 1987.