APA (7th ed.) Citation

Hagen, W. (1950). Le Front Secret. Plon.

Chicago Style (17th ed.) Citation

Hagen, Walter. Le Front Secret. Paris: Plon, 1950.

MLA (9th ed.) Citation

Hagen, Walter. Le Front Secret. Plon, 1950.

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