APA (7th ed.) Citation

Childs, D. (1990). The revolution in the GDR. Politics and society in Germany, Austria and Switzerland.

Chicago Style (17th ed.) Citation

Childs, David. "The Revolution in the GDR." Politics and Society in Germany, Austria and Switzerland 1990.

MLA (8th ed.) Citation

Childs, David. "The Revolution in the GDR." Politics and Society in Germany, Austria and Switzerland, 1990.

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