APA (7th ed.) Citation

Bogdan, H. (1989). From Warsaw to Sofia: A history of Eastern Europe. Pro Libertate Publ.

Chicago Style (17th ed.) Citation

Bogdan, Henry. From Warsaw to Sofia: A History of Eastern Europe. Santa Fe, NM: Pro Libertate Publ, 1989.

MLA (9th ed.) Citation

Bogdan, Henry. From Warsaw to Sofia: A History of Eastern Europe. Pro Libertate Publ, 1989.