Cita APA (7a ed.)

Matthews, O. (2019). An impeccable spy: Richard Sorge, Stalin's master agent. Bloomsbury Publishing.

Cita Chicago Style (17a ed.)

Matthews, Owen. An Impeccable Spy: Richard Sorge, Stalin's Master Agent. London ; New York, NY: Bloomsbury Publishing, 2019.

Cita MLA (8a ed.)

Matthews, Owen. An Impeccable Spy: Richard Sorge, Stalin's Master Agent. Bloomsbury Publishing, 2019.

Precaución: Estas citas no son 100% exactas.