Cita APA (7a ed.)

Sherif, M. I., & Sturchio, N. C. (2021). Elevated radium levels in Nubian Aquifer groundwater of Northeastern Africa. Nature Portfolio.

Cita Chicago Style (17a ed.)

Sherif, Mahmoud I., y Neil C. Sturchio. Elevated Radium Levels in Nubian Aquifer Groundwater of Northeastern Africa. Nature Portfolio, 2021.

Cita MLA (8a ed.)

Sherif, Mahmoud I., y Neil C. Sturchio. Elevated Radium Levels in Nubian Aquifer Groundwater of Northeastern Africa. Nature Portfolio, 2021.