Catalogue of the manuscripts in the Spanish language in the British museum.
By Don Pascual de Gayangos.

APA Citation

British Museum. Dept. of Manuscripts., Gayangos, P. de. (187593). Catalogue of the manuscripts in the Spanish language in the British museum. London.

MLA Citation

British Museum. Dept. of Manuscripts, and Pascual de Gayangos. Catalogue of the Manuscripts In the Spanish Language In the British Museum. London, 187593.

Warning: These citations may not always be complete (especially for serials).