APA (7th ed.) Citation

British Library. Science Reference and Information Service. (1990). Guide to libraries and information units in government departments and other organisations. British Library, Science Reference and Information Service.

Chicago Style (17th ed.) Citation

British Library. Science Reference and Information Service. Guide to Libraries and Information Units in Government Departments and Other Organisations. London: British Library, Science Reference and Information Service, 1990.

MLA (9th ed.) Citation

British Library. Science Reference and Information Service. Guide to Libraries and Information Units in Government Departments and Other Organisations. British Library, Science Reference and Information Service, 1990.