Cita APA (7th ed.)

Tichý, P. (1988). The foundations of Frege's logic. de Gruyter.

Cita Chicago (17th ed.)

Tichý, Pavel. The Foundations of Frege's Logic. Berlin ; New York: de Gruyter, 1988.

Cita MLA (9th ed.)

Tichý, Pavel. The Foundations of Frege's Logic. de Gruyter, 1988.