APA (7th ed.) Citation

Collett, N. G., & Ranck, S. (1989). Recent changes to smallholder coffee production in Papua New Guinea. The Australian National University.

Chicago Style (17th ed.) Citation

Collett, N. George, and Stephen Ranck. Recent Changes to Smallholder Coffee Production in Papua New Guinea. Canberra: The Australian National University, 1989.

MLA (9th ed.) Citation

Collett, N. George, and Stephen Ranck. Recent Changes to Smallholder Coffee Production in Papua New Guinea. The Australian National University, 1989.