APA (7th ed.) Citation

Deacon, R. (1969). 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, 1969.

MLA (8th ed.) Citation

Deacon, Richard. A History of the British Secret Service. Taplinger, 1969.