APA (7th ed.) Citation

Khristov, K. A. (1980). Bulgaria, 1300 years. Sofia Press.

Chicago Style (17th ed.) Citation

Khristov, Khristo Angelov. Bulgaria, 1300 Years. [Sofia]: Sofia Press, 1980.

MLA (9th ed.) Citation

Khristov, Khristo Angelov. Bulgaria, 1300 Years. Sofia Press, 1980.

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