Cita APA

Popov, D. (1975). Spy, counterspy. Weidenfeld and Nicolson.

Citación estilo Chicago

Popov, Duško. Spy, Counterspy. London: Weidenfeld and Nicolson, 1975.

Cita MLA

Popov, Duško. Spy, Counterspy. Weidenfeld and Nicolson, 1975.