APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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