APA (7th ed.) Citation

Simaga, J. (1990). Trees of the campus. P.N.G. University of Technology.

Chicago Style (17th ed.) Citation

Simaga, John. Trees of the Campus. Lae: P.N.G. University of Technology, 1990.

MLA (9th ed.) Citation

Simaga, John. Trees of the Campus. P.N.G. University of Technology, 1990.