APA (7th ed.) Citation

(1987). Kratkaja istorija Bolgarii. Nauka.

Chicago Style (17th ed.) Citation

Kratkaja Istorija Bolgarii. Nauka, 1987.

MLA (8th ed.) Citation

Kratkaja Istorija Bolgarii. Nauka, 1987.

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