APA (7th ed.) Citation

Al-Mamun, A., & Salleh, M. N. (2014). Challenges in non-point source pollution — Sampling and testing.

Chicago Style (17th ed.) Citation

Al-Mamun, Abdullah, and Md. Noor Salleh. Challenges in Non-point Source Pollution — Sampling and Testing. 2014.

MLA (8th ed.) Citation

Al-Mamun, Abdullah, and Md. Noor Salleh. Challenges in Non-point Source Pollution — Sampling and Testing. 2014.

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