APA (7th ed.) Citation

Powell, E. A. (1928). Embattled borders: Eastern Europe from the Balkans to the Baltic. The Century Co.

Chicago Style (17th ed.) Citation

Powell, Edward Alexander. Embattled Borders: Eastern Europe from the Balkans to the Baltic. New York: The Century Co, 1928.

MLA (9th ed.) Citation

Powell, Edward Alexander. Embattled Borders: Eastern Europe from the Balkans to the Baltic. The Century Co, 1928.