APA (7th ed.) Citation

Muhammad, H. A., & unknown. (2020). Migration of lead from unplasticized polyvinyl chloride pipes.

Chicago Style (17th ed.) Citation

Muhammad, H. Al-Malack, and unknown. Migration of Lead from Unplasticized Polyvinyl Chloride Pipes. 2020.

MLA (9th ed.) Citation

Muhammad, H. Al-Malack, and unknown. Migration of Lead from Unplasticized Polyvinyl Chloride Pipes. 2020.

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