APA (7th ed.) Citation

Agabekov, G. S. (1975). OGPU, the Russian secret terror. Hyperion Press.

Chicago Style (17th ed.) Citation

Agabekov, G. S. OGPU, the Russian Secret Terror. Westport, Conn.: Hyperion Press, 1975.

MLA (9th ed.) Citation

Agabekov, G. S. OGPU, the Russian Secret Terror. Hyperion Press, 1975.

Warning: These citations may not always be 100% accurate.