Cita APA (7th ed.)

Feyerabend, P. K. (1994). Problems of empiricism: Philosophical papers. Univ. Pr..

Cita Chicago (17th ed.)

Feyerabend, Paul K. Problems of Empiricism: Philosophical Papers. Cambridge: Univ. Pr., 1994.

Cita MLA (9th ed.)

Feyerabend, Paul K. Problems of Empiricism: Philosophical Papers. Univ. Pr., 1994.