APA (7th ed.) Citation

British Library. (1989). Catalogue of books printed in Spain and of Spanish books printed elsewhere in Europe before 1601 now in the British Library (2. ed.). British Libr.

Chicago Style (17th ed.) Citation

British Library. Catalogue of Books Printed in Spain and of Spanish Books Printed Elsewhere in Europe Before 1601 Now in the British Library. 2. ed. London: British Libr, 1989.

MLA (9th ed.) Citation

British Library. Catalogue of Books Printed in Spain and of Spanish Books Printed Elsewhere in Europe Before 1601 Now in the British Library. 2. ed. British Libr, 1989.