APA (7th ed.) Citation

Heilbrunn, O. (1981). The Soviet secret services. Greenwood Press.

Chicago Style (17th ed.) Citation

Heilbrunn, Otto. The Soviet Secret Services. Westport, Conn.: Greenwood Press, 1981.

MLA (9th ed.) Citation

Heilbrunn, Otto. The Soviet Secret Services. Greenwood Press, 1981.

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