APA (7th ed.) Citation
Khan, S., Ullah, M., Christen, E., & Ahmad, H. (2002). Modeling approaches to quantify the water balance in groundwater-dominant irrigation systems: An example of Rechna Doab Pakistan.
Chicago Style (17th ed.) Citation
Khan, S., M.K Ullah, E. Christen, and H.M.N Ahmad. Modeling Approaches to Quantify the Water Balance in Groundwater-dominant Irrigation Systems: An Example of Rechna Doab Pakistan. 2002.
MLA (9th ed.) Citation
Khan, S., et al. Modeling Approaches to Quantify the Water Balance in Groundwater-dominant Irrigation Systems: An Example of Rechna Doab Pakistan. 2002.
Warning: These citations may not always be 100% accurate.