@Misc{BVMC:242751,
author = {Vega, Lope de},
title = {La firmeza en la desdicha},
publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2000},
year = {2000},
url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc542n6}
}