@Misc{BVMC:886459,
author = {Key, Francis Scott},
author = {Smith, John Stafford},
title = {The Star spangled banner},
publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2018},
year = {2018},
url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc0886459}
}