APA (7th ed.) Citation

Sapari, N., Yaziz, M., Gunting, H., & Ghazali, A. (1989). Variations in rainwater quality from roof catchments. IWA Publishing.

Chicago Style (17th ed.) Citation

Sapari, Nasiman, M.I Yaziz, H. Gunting, and A.W Ghazali. Variations in Rainwater Quality from Roof Catchments. IWA Publishing, 1989.

MLA (9th ed.) Citation

Sapari, Nasiman, et al. Variations in Rainwater Quality from Roof Catchments. IWA Publishing, 1989.