O'Dell, T. H. (1994). Inventions and official secrecy: A history of secret patents in the United Kingdom. Clarendon Press.
Chicago Style (17th ed.) CitationO'Dell, Thomas H. Inventions and Official Secrecy: A History of Secret Patents in the United Kingdom. Oxford u.a: Clarendon Press, 1994.
MLA (9th ed.) CitationO'Dell, Thomas H. Inventions and Official Secrecy: A History of Secret Patents in the United Kingdom. Clarendon Press, 1994.
Warning: These citations may not always be 100% accurate.