@Misc{BVMC:886462,
author = {Key, Francis Scott},
author = {Smith, John Stafford},
title = {Star spangled banner },
publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2018},
year = {2018},
url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc0886462}
}