APA (7th ed.) Citation

Ehsan, N., Dawood, A., Waheed, F., Nasir, R., Rebouh, N. Y., Rizvi, S. I., . . . Zaman, Q. u. Human and ecological health risks from heavy metal contamination in groundwater aquifers. Nature Portfolio.

Chicago Style (17th ed.) Citation

Ehsan, Nusrat, Agha Dawood, Fajar Waheed, Rabiya Nasir, Nazih Y. Rebouh, Syeda Itrat Rizvi, Amina Muzamil, and Qamar uz Zaman. Human and Ecological Health Risks from Heavy Metal Contamination in Groundwater Aquifers. Nature Portfolio.

MLA (9th ed.) Citation

Ehsan, Nusrat, et al. Human and Ecological Health Risks from Heavy Metal Contamination in Groundwater Aquifers. Nature Portfolio.

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