APA (7th ed.) Citation
Courant, R., & Hilbert, D. (1953). Methods of mathematical physics. Interscience publ. inc.
Chicago Style (17th ed.) Citation
Courant, Richard, and D. Hilbert. Methods of Mathematical Physics. New York: Interscience publ. inc, 1953.
MLA (9th ed.) Citation
Courant, Richard, and D. Hilbert. Methods of Mathematical Physics. Interscience publ. inc, 1953.
Warning: These citations may not always be 100% accurate.