APA (7th ed.) Citation

Marilena, C., & Pierpaolo, O. Tunnelling in urban areas by EPB machines: Technical evaluation of the system. Universidad Nacional de Colombia.

Chicago Style (17th ed.) Citation

Marilena, Cardu, and Oreste Pierpaolo. Tunnelling in Urban Areas by EPB Machines: Technical Evaluation of the System. Universidad Nacional de Colombia.

MLA (9th ed.) Citation

Marilena, Cardu, and Oreste Pierpaolo. Tunnelling in Urban Areas by EPB Machines: Technical Evaluation of the System. Universidad Nacional de Colombia.

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