APA (7th ed.) Citation

Le Senne, R. (1972). Obstacle and value. Northwestern University Press.

Chicago Style (17th ed.) Citation

Le Senne, René. Obstacle and Value. Evanston: Northwestern University Press, 1972.

MLA (8th ed.) Citation

Le Senne, René. Obstacle and Value. Northwestern University Press, 1972.

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