Cita APA (7th ed.)

Boolos, G. (1993). The Logic of Provability. Univ. Pr..

Cita Chicago (17th ed.)

Boolos, George. The Logic of Provability. Cambridge: Univ. Pr., 1993.

Cita MLA (9th ed.)

Boolos, George. The Logic of Provability. Univ. Pr., 1993.

Atenció: Aquestes cites poden no estar 100% correctes.