Cita APA (7a ed.)
Velleman, D. J. (2006). How to prove it: <a> structured approach (2nd ed.). Cambridge University Press.
Cita Chicago Style (17a ed.)
Velleman, Daniel J. How to Prove It: <a> Structured Approach. 2nd ed. Cambridge: Cambridge University Press, 2006.
Cita MLA (9a ed.)
Velleman, Daniel J. How to Prove It: <a> Structured Approach. 2nd ed. Cambridge University Press, 2006.
Precaución: Estas citas no son 100% exactas.