APA (7th ed.) Citation

Mohd Yusuff, M. T., Ahmed, O. H., & Nik Ab. Majid, N. M. (2009). Effect of mixing urea with humic acid and acid sulphate soil on ammonia loss, exchangeable ammonium and available nitrate. Science Publications.

Chicago Style (17th ed.) Citation

Mohd Yusuff, Mohd Taufik, Osumanu Haruna Ahmed, and Nik Muhamad Nik Ab. Majid. Effect of Mixing Urea with Humic Acid and Acid Sulphate Soil on Ammonia Loss, Exchangeable Ammonium and Available Nitrate. Science Publications, 2009.

MLA (9th ed.) Citation

Mohd Yusuff, Mohd Taufik, et al. Effect of Mixing Urea with Humic Acid and Acid Sulphate Soil on Ammonia Loss, Exchangeable Ammonium and Available Nitrate. Science Publications, 2009.

Warning: These citations may not always be 100% accurate.