APA (7th ed.) Citation

Sugar, P. F. (1970). The roots of Eastern European nationalsm. Acad. Bulgare des Sciences.

Chicago Style (17th ed.) Citation

Sugar, Peter F. The Roots of Eastern European Nationalsm. Sofia: Acad. Bulgare des Sciences, 1970.

MLA (9th ed.) Citation

Sugar, Peter F. The Roots of Eastern European Nationalsm. Acad. Bulgare des Sciences, 1970.

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