APA aipamena

Barahona, E. A. T., Medina, J. X. L., & Díaz, E. T. (2012). Positioning system applied to the 3D printing technique: Modeling by fused deposition. Universidad Pedagógica y Tecnológica de Colombia.

Chicago Style aipamena

Barahona, Edgar Absalón Torres, Jersson Xavier León Medina, and Edwin Torres Díaz. Positioning System Applied to the 3D Printing Technique: Modeling by Fused Deposition. Universidad Pedagógica y Tecnológica de Colombia, 2012.

MLA aipamena

Barahona, Edgar Absalón Torres, et al. Positioning System Applied to the 3D Printing Technique: Modeling by Fused Deposition. Universidad Pedagógica y Tecnológica de Colombia, 2012.