APA (7th ed.) Citation

Oldenburg, F. (1988). The impact of Gorbachev's reform on the GDR.

Chicago Style (17th ed.) Citation

Oldenburg, Fred. The Impact of Gorbachev's Reform on the GDR. Köln, 1988.

MLA (9th ed.) Citation

Oldenburg, Fred. The Impact of Gorbachev's Reform on the GDR. 1988.

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