APA (7th ed.) Citation

Le Roy, É., & Rahola, C. (1928). Bergson. Labor.

Chicago Style (17th ed.) Citation

Le Roy, Édouard, and Carles Rahola. Bergson. Barcelona [etc.]: Labor, 1928.

MLA (9th ed.) Citation

Le Roy, Édouard, and Carles Rahola. Bergson. Labor, 1928.

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