APA (7th ed.) Citation

(1973). Bulgariens Stellung zur KSZE. Köln.

Chicago Style (17th ed.) Citation

Bulgariens Stellung Zur KSZE. Köln, 1973.

MLA (8th ed.) Citation

Bulgariens Stellung Zur KSZE. Köln, 1973.

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