APA (7th ed.) Citation

Strasburger, H. (1943). The core of a continent: Problems of central and eastern Europe. The American academy of political and social science.

Chicago Style (17th ed.) Citation

Strasburger, Henryk. The Core of a Continent: Problems of Central and Eastern Europe. Philadelphia: The American academy of political and social science, 1943.

MLA (9th ed.) Citation

Strasburger, Henryk. The Core of a Continent: Problems of Central and Eastern Europe. The American academy of political and social science, 1943.