Courant, R., & Robbins, H. (1969). What is mathematics?: An elementary approach to ideas and methods. Oxford University Press.
Chicago Style (17th ed.) CitationCourant, Richard, and Herbert Robbins. What Is Mathematics?: An Elementary Approach to Ideas and Methods. London: Oxford University Press, 1969.
MLA (8th ed.) CitationCourant, Richard, and Herbert Robbins. What Is Mathematics?: An Elementary Approach to Ideas and Methods. Oxford University Press, 1969.
Warning: These citations may not always be 100% accurate.
