APA (7th ed.) Citation

Gignoux, C. (1950). Karl Marx. Paris: Plon.

Chicago Style (17th ed.) Citation

Gignoux, Claude-Joseph. Karl Marx. Paris: Plon, 1950.

MLA (8th ed.) Citation

Gignoux, Claude-Joseph. Karl Marx. Paris: Plon, 1950.

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