APA (7th ed.) Citation

British Library. (1994). Short-title catalogue of eighteenth-century spanish books in the British Library. The British Library.

Chicago Style (17th ed.) Citation

British Library. Short-title Catalogue of Eighteenth-century Spanish Books in the British Library. London: The British Library, 1994.

MLA (9th ed.) Citation

British Library. Short-title Catalogue of Eighteenth-century Spanish Books in the British Library. The British Library, 1994.