Cita APA (7a ed.)

Hollingdale, R. (2011). Warsaw Pact badges. The Crowood Press.

Cita Chicago Style (17a ed.)

Hollingdale, Richard. Warsaw Pact Badges. Ramsbury: The Crowood Press, 2011.

Cita MLA (9a ed.)

Hollingdale, Richard. Warsaw Pact Badges. The Crowood Press, 2011.