APA (7th ed.) Citation

British Library. (1990). The British Library: Humanities & social sciences collections : guide. British Library.

Chicago Style (17th ed.) Citation

British Library. The British Library: Humanities & Social Sciences Collections : Guide. London: British Library, 1990.

MLA (9th ed.) Citation

British Library. The British Library: Humanities & Social Sciences Collections : Guide. British Library, 1990.

Warning: These citations may not always be 100% accurate.