Cita APA (7a ed.)

Machado Fernández, J. R., Lorenzo Rodríguez, Y., Gutiérrez Vázquez, Y., & León Rosich, D. (2017). Estimation of Frequencies for National Shortwave Network with Automatic Link Establishment Equipment. Universidad de Costa Rica.

Cita Chicago Style (17a ed.)

Machado Fernández, José Raúl, Yoanne Lorenzo Rodríguez, Yaser Gutiérrez Vázquez, y David León Rosich. Estimation of Frequencies for National Shortwave Network with Automatic Link Establishment Equipment. Universidad de Costa Rica, 2017.

Cita MLA (9a ed.)

Machado Fernández, José Raúl, et al. Estimation of Frequencies for National Shortwave Network with Automatic Link Establishment Equipment. Universidad de Costa Rica, 2017.