Cita APA (7a ed.)

Waller, J. M. (1994). Secret empire: The KGB in Russia today. Westview Press.

Cita Chicago Style (17a ed.)

Waller, J. Michael. Secret Empire: The KGB in Russia Today. Boulder, Colo.: Westview Press, 1994.

Cita MLA (9a ed.)

Waller, J. Michael. Secret Empire: The KGB in Russia Today. Westview Press, 1994.