APA (7th ed.) Citation

Heß, G. (1985). Bulgarien. Brockhaus.

Chicago Style (17th ed.) Citation

Heß, Gerhard. Bulgarien. Leipzig: Brockhaus, 1985.

MLA (8th ed.) Citation

Heß, Gerhard. Bulgarien. Brockhaus, 1985.

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