APA (7th ed.) Citation

Jeffreys, H., & Jeffreys, B. S. (1956). Methods of mathematical physics (3d ed.). University Press.

Chicago Style (17th ed.) Citation

Jeffreys, Harold, and Bertha Swirles Jeffreys. Methods of Mathematical Physics. 3d ed. Cambridge [England]: University Press, 1956.

MLA (9th ed.) Citation

Jeffreys, Harold, and Bertha Swirles Jeffreys. Methods of Mathematical Physics. 3d ed. University Press, 1956.