Cita APA (7th ed.)

Velleman Daniel J. (2023). How to prove it: A structured approach (3rd ed. Ver.3.). Cambridge University Press.

Cita Chicago (17th ed.)

Velleman Daniel J. How to Prove It: A Structured Approach. 3rd ed. Ver.3. UK: Cambridge University Press, 2023.

Cita MLA (9th ed.)

Velleman Daniel J. How to Prove It: A Structured Approach. 3rd ed. Ver.3. Cambridge University Press, 2023.