APA (7th ed.) Citation

Courant, B., & Hilbert, D. (1966). Methods of mathematical physics. Vol: I (1a ed.). Interscience Publishers, Inc.

Chicago Style (17th ed.) Citation

Courant, B.R, and D. Hilbert. Methods of Mathematical Physics. Vol: I. 1a ed. New York: Interscience Publishers, Inc, 1966.

MLA (9th ed.) Citation

Courant, B.R, and D. Hilbert. Methods of Mathematical Physics. Vol: I. 1a ed. Interscience Publishers, Inc, 1966.