APA (7th ed.) Citation

Ahmed, O. H., Mohd Hanif, A. H., Abd Rahim, A., & Musa, M. H. (2005). Effects of extraction and fractionation time on the yield of compost humic acids. The Royal Society of New Zealand.

Chicago Style (17th ed.) Citation

Ahmed, Osumanu Haruna, Ahmad Husni Mohd Hanif, Anuar Abd Rahim, and Mohamed Hanafi Musa. Effects of Extraction and Fractionation Time on the Yield of Compost Humic Acids. The Royal Society of New Zealand, 2005.

MLA (9th ed.) Citation

Ahmed, Osumanu Haruna, et al. Effects of Extraction and Fractionation Time on the Yield of Compost Humic Acids. The Royal Society of New Zealand, 2005.