APA (7th ed.) Citation

Perumal, P., Kasim, S., Ahmed, O. H., & Nik Ab. Majid, N. M. (2012). Effects of extraction period on yield of rice straw compost humic acids. Academic Journals.

Chicago Style (17th ed.) Citation

Perumal, Palanivell, Susilawati Kasim, Osumanu Haruna Ahmed, and Nik Muhamad Nik Ab. Majid. Effects of Extraction Period on Yield of Rice Straw Compost Humic Acids. Academic Journals, 2012.

MLA (9th ed.) Citation

Perumal, Palanivell, et al. Effects of Extraction Period on Yield of Rice Straw Compost Humic Acids. Academic Journals, 2012.