APA (7th ed.) Citation

Ashraf, A., & Ibrahim, S. (2009). Characterization of heavy metal and rare earth elements in soils by using neutron activation analysis.

Chicago Style (17th ed.) Citation

Ashraf, Ahmadreza, and Shaharin Ibrahim. Characterization of Heavy Metal and Rare Earth Elements in Soils by Using Neutron Activation Analysis. 2009.

MLA (9th ed.) Citation

Ashraf, Ahmadreza, and Shaharin Ibrahim. Characterization of Heavy Metal and Rare Earth Elements in Soils by Using Neutron Activation Analysis. 2009.

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