APA (7th ed.) Citation

Cassel, G. (1935). On quantitative thinking in economics. Clarendon Press.

Chicago Style (17th ed.) Citation

Cassel, Gustav. On Quantitative Thinking in Economics. Oxford: Clarendon Press, 1935.

MLA (9th ed.) Citation

Cassel, Gustav. On Quantitative Thinking in Economics. Clarendon Press, 1935.