APA (7th ed.) Citation

O'Dell, T. H. (1994). Inventions and official secrecy: A history of secret patents in the United Kingdom. Clarendon Press ; Oxford University Press.

Chicago Style (17th ed.) Citation

O'Dell, T. H. Inventions and Official Secrecy: A History of Secret Patents in the United Kingdom. Oxford : New York: Clarendon Press ; Oxford University Press, 1994.

MLA (9th ed.) Citation

O'Dell, T. H. Inventions and Official Secrecy: A History of Secret Patents in the United Kingdom. Clarendon Press ; Oxford University Press, 1994.