Cita APA (7a ed.)

Prawitz, D. (2006). Natural deduction: A proof-theoretical study. Dover Publications.

Cita Chicago Style (17a ed.)

Prawitz, Dag. Natural Deduction: A Proof-theoretical Study. Mineola, N.Y.: Dover Publications, 2006.

Cita MLA (9a ed.)

Prawitz, Dag. Natural Deduction: A Proof-theoretical Study. Dover Publications, 2006.