Hartemink, A. E. (2006). Invasion of Piper aducum in the shifting cultivation systems of Papua New Guinea: Alfred E. Hartemink. ISRIC, World Soil Information.
Chicago Style (17th ed.) CitationHartemink, Alfred E. Invasion of Piper Aducum in the Shifting Cultivation Systems of Papua New Guinea: Alfred E. Hartemink. Wageningen, The Netherlands: ISRIC, World Soil Information, 2006.
MLA (9th ed.) CitationHartemink, Alfred E. Invasion of Piper Aducum in the Shifting Cultivation Systems of Papua New Guinea: Alfred E. Hartemink. ISRIC, World Soil Information, 2006.
Warning: These citations may not always be 100% accurate.