Cita APA (7a ed.)

British Library. (1979). The British Library general catalogue of printed books to 1975. Clive Bingley [etc.].

Cita Chicago Style (17a ed.)

British Library. The British Library General Catalogue of Printed Books to 1975. London [etc.]: Clive Bingley [etc.], 1979.

Cita MLA (9a ed.)

British Library. The British Library General Catalogue of Printed Books to 1975. Clive Bingley [etc.], 1979.