APA (7th ed.) Citation

Zarei, H., Sharifzadeh, M., Uromyehi, A., & n/a. (2011). Gas Ground Risks and Geological investigations for TBM Tunneling in Iran. n/a.

Chicago Style (17th ed.) Citation

Zarei, H., Mostafa Sharifzadeh, A. Uromyehi, and n/a. Gas Ground Risks and Geological Investigations for TBM Tunneling in Iran. n/a, 2011.

MLA (9th ed.) Citation

Zarei, H., et al. Gas Ground Risks and Geological Investigations for TBM Tunneling in Iran. n/a, 2011.