Cita APA (7a ed.)

Porter, B. (1989). Plots and paranoia: A history of political espionage in Britain; 1790 - 1988 (1. publ.). Unwin Hyman.

Cita Chicago Style (17a ed.)

Porter, Bernard. Plots and Paranoia: A History of Political Espionage in Britain; 1790 - 1988. 1. publ. London [u.a.]: Unwin Hyman, 1989.

Cita MLA (8a ed.)

Porter, Bernard. Plots and Paranoia: A History of Political Espionage in Britain; 1790 - 1988. 1. publ. Unwin Hyman, 1989.