APA (7th ed.) Citation

Hristov, H. (1983). A history of Bulgaria. Sofia Press.

Chicago Style (17th ed.) Citation

Hristov, Hristo. A History of Bulgaria. [n.l]: Sofia Press, 1983.

MLA (9th ed.) Citation

Hristov, Hristo. A History of Bulgaria. Sofia Press, 1983.

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