Cita APA (7th ed.)
Smullyan, R. M. (1992). Gödel's incompleteness theorems. Oxford University Press.
Cita Chicago (17th ed.)
Smullyan, Raymond M. Gödel's Incompleteness Theorems. New York: Oxford University Press, 1992.
Cita MLA (9th ed.)
Smullyan, Raymond M. Gödel's Incompleteness Theorems. Oxford University Press, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.