APA (7th ed.) Citation

Yusoff, K., Sulaiman, W. N. A., & Sharif, Z. (1990). A General Survey of Nitrate-Nitrogen Levels In Well-water under Different Landuses.

Chicago Style (17th ed.) Citation

Yusoff, Khatijah, Wan Nor Azmin Sulaiman, and Zainudin Sharif. A General Survey of Nitrate-Nitrogen Levels In Well-water under Different Landuses. 1990.

MLA (9th ed.) Citation

Yusoff, Khatijah, et al. A General Survey of Nitrate-Nitrogen Levels In Well-water under Different Landuses. 1990.