APA (7th ed.) Citation

Deacon, R. A history of the British Secret Service. Taplinger.

Chicago Style (17th ed.) Citation

Deacon, Richard. A History of the British Secret Service. New York: Taplinger.

MLA (9th ed.) Citation

Deacon, Richard. A History of the British Secret Service. Taplinger.

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