@Misc{BVMC:278288, author = {West, Geoffrey P.}, title = {La historia de un ejemplar único: British Library: C.20.e.6}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2010}, year = {2010}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc86314} }