APA (7th ed.) Citation

Ydewalle, C. d. (1939). Vingt Ans d'Europe 1919-1939. Flammarion.

Chicago Style (17th ed.) Citation

Ydewalle, Charles d'. Vingt Ans D'Europe 1919-1939. Paris: Flammarion, 1939.

MLA (9th ed.) Citation

Ydewalle, Charles d'. Vingt Ans D'Europe 1919-1939. Flammarion, 1939.

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