APA (7th ed.) Citation

Velleman, D. J. (1994). How to prove it: A structured approach. Cambridge University Press.

Chicago Style (17th ed.) Citation

Velleman, Daniel J. How to Prove It: A Structured Approach. Cambridge: Cambridge University Press, 1994.

MLA (9th ed.) Citation

Velleman, Daniel J. How to Prove It: A Structured Approach. Cambridge University Press, 1994.