@Misc{BVMC:1204906,
author = {Alvar, Manuel},
title = {Antonio Machado, "Prólogo" a las "Poesías completas"},
publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2023},
year = {2023},
url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc1204906}
}