APA Edition Citation

Fox,Charles. (1950). An Introduction to the Calculus of Variations (1950.). Oxford University Press.

Chicago Edition Citation

Fox,Charles. An Introduction to the Calculus of Variations. 1950. London: Oxford University Press, 1950.

MLA Edition Citation

Fox,Charles. An Introduction to the Calculus of Variations. 1950. Oxford University Press, 1950.

Warning: These citations may not always be 100% accurate.