Cita APA (7th ed.)

POPPER, K. R. (1972). The Logic of scientific discovery. Hutchinson.

Cita Chicago (17th ed.)

POPPER, Karl Raimund. The Logic of Scientific Discovery. London: Hutchinson, 1972.

Cita MLA (9th ed.)

POPPER, Karl Raimund. The Logic of Scientific Discovery. Hutchinson, 1972.

Atenció: Aquestes cites poden no estar 100% correctes.