APA (7th ed.) Citation

Leigh, D. (1980). The frontiers of secrecy: Closed government in Britain. Junction Books.

Chicago Style (17th ed.) Citation

Leigh, David. The Frontiers of Secrecy: Closed Government in Britain. London: Junction Books, 1980.

MLA (9th ed.) Citation

Leigh, David. The Frontiers of Secrecy: Closed Government in Britain. Junction Books, 1980.

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