APA (7th ed.) Citation

Jeffreys, H. S., & Jeffreys, B. S. L. (1972). Methods of mathematical physics (3rd ed. [in pbk.].). The University Press.

Chicago Style (17th ed.) Citation

Jeffreys, Harold. Sir, and Bertha Swirles. Lady Jeffreys. Methods of Mathematical Physics. 3rd ed. [in pbk.]. Cambridge: The University Press, 1972.

MLA (9th ed.) Citation

Jeffreys, Harold. Sir, and Bertha Swirles. Lady Jeffreys. Methods of Mathematical Physics. 3rd ed. [in pbk.]. The University Press, 1972.