APA (7th ed.) Citation

Karbassi, A., Tajziehchi, S., & Afshar, S. An investigation on heavy metals in soils around oil field area. GJESM Publisher.

Chicago Style (17th ed.) Citation

Karbassi, A.R, S. Tajziehchi, and S. Afshar. An Investigation on Heavy Metals in Soils Around Oil Field Area. GJESM Publisher.

MLA (9th ed.) Citation

Karbassi, A.R, et al. An Investigation on Heavy Metals in Soils Around Oil Field Area. GJESM Publisher.

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