APA (7th ed.) Citation

Roberts, H. L. (1970). Eastern Europe: Politics, revolution & diplomacy. Knopf.

Chicago Style (17th ed.) Citation

Roberts, Henry L. Eastern Europe: Politics, Revolution & Diplomacy. New York: Knopf, 1970.

MLA (9th ed.) Citation

Roberts, Henry L. Eastern Europe: Politics, Revolution & Diplomacy. Knopf, 1970.

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