APA (7th ed.) Citation

Ahmad, S., Kashyap, D., & Mathur, B. S. (1993). Mathematical modeling of saturated-unsaturated flow to drains. Journal of Irrigation & Drainage Engineering, 119, 18. https://doi.org/10.1061/(ASCE)0733-9437(1993)119:1(18)

Chicago Style (17th ed.) Citation

Ahmad, Saleem, Deepak Kashyap, and B. S. Mathur. "Mathematical Modeling of Saturated-unsaturated Flow to Drains." Journal of Irrigation & Drainage Engineering 119 (1993): 18. https://doi.org/10.1061/(ASCE)0733-9437(1993)119:1(18).

MLA (9th ed.) Citation

Ahmad, Saleem, et al. "Mathematical Modeling of Saturated-unsaturated Flow to Drains." Journal of Irrigation & Drainage Engineering, vol. 119, 1993, p. 18, https://doi.org/10.1061/(ASCE)0733-9437(1993)119:1(18).