APA (7th ed.) Citation

Fox, C. (1950). An introduction to the calculus of variations / by Charles Fox. Oxford University Press.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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