APA (7th ed.) Citation

Koehler, J. O. (1999). Stasi : the untold story of the East German secret police / John O. Koehler: The untold story of the East German secret police. Westview Press.

Chicago Style (17th ed.) Citation

Koehler, John O. Stasi : The Untold Story of the East German Secret Police / John O. Koehler: The Untold Story of the East German Secret Police. Boulder, Colo. ; Oxford: Westview Press, 1999.

MLA (9th ed.) Citation

Koehler, John O. Stasi : The Untold Story of the East German Secret Police / John O. Koehler: The Untold Story of the East German Secret Police. Westview Press, 1999.

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