APA (7th ed.) Citation

Harding, P. E. (1984). A preliminary report on the arabica coffee soils of Papua New Guinea. Papua New Guinea Coffee Research Institute.

Chicago Style (17th ed.) Citation

Harding, P. E. A Preliminary Report on the Arabica Coffee Soils of Papua New Guinea. Kainantu: Papua New Guinea Coffee Research Institute, 1984.

MLA (9th ed.) Citation

Harding, P. E. A Preliminary Report on the Arabica Coffee Soils of Papua New Guinea. Papua New Guinea Coffee Research Institute, 1984.