APA (7th ed.) Citation

British Library. Science Reference and Information Service, King, S. V., & Shaw, C. (1986). Guide to government department and other libraries 1986 ([27th ed.].). British Library Science Reference and Information Service.

Chicago Style (17th ed.) Citation

British Library. Science Reference and Information Service, Shirley V. King, and Christine Shaw. Guide to Government Department and Other Libraries 1986. [27th ed.]. London: British Library Science Reference and Information Service, 1986.

MLA (8th ed.) Citation

British Library. Science Reference and Information Service, et al. Guide to Government Department and Other Libraries 1986. [27th ed.]. British Library Science Reference and Information Service, 1986.