APA (7th ed.) Citation

Leach, G. J., & Osborne, P. L. (1985). Freshwater plants of Papua New Guinea. University of PNG Press.

Chicago Style (17th ed.) Citation

Leach, Gregory J., and Patrick L. Osborne. Freshwater Plants of Papua New Guinea. Port Moresby: University of PNG Press, 1985.

MLA (9th ed.) Citation

Leach, Gregory J., and Patrick L. Osborne. Freshwater Plants of Papua New Guinea. University of PNG Press, 1985.