Cita APA (7th ed.)

Popper, K. R. Realism and the aim of science. Routledge.

Cita Chicago (17th ed.)

Popper, Karl R. Realism and the Aim of Science. London: Routledge.

Cita MLA (9th ed.)

Popper, Karl R. Realism and the Aim of Science. Routledge.

Atenció: Aquestes cites poden no estar 100% correctes.