APA citiranje

Vigne, G., Jönsson, J., & Hacar, F. (2014). Tunnels with rough walls and cavities. Universidad Pedagógica y Tecnológica de Colombia - UPTC.

Chicago Style (17th ed.) Citation

Vigne, Gabriele, Jimmy Jönsson, and Fernando Hacar. Tunnels with Rough Walls and Cavities. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2014.

MLA citiranje

Vigne, Gabriele, et al. Tunnels with Rough Walls and Cavities. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2014.