APA (7th ed.) Citation

Casimir, H. B. G. (1940). Magnetism and very low temperatures. University Press.

Chicago Style (17th ed.) Citation

Casimir, H. B. G. Magnetism and Very Low Temperatures. Cambridge [England]: University Press, 1940.

MLA (9th ed.) Citation

Casimir, H. B. G. Magnetism and Very Low Temperatures. University Press, 1940.