Cita APA (7th ed.)

Popper, K. R. S., & Miller, D. W. (1984). Popper selections. Princeton University Press.

Cita Chicago (17th ed.)

Popper, Karl Raimund Sir, i David W. Miller. Popper Selections. Princeton, N.J: Princeton University Press, 1984.

Cita MLA (9th ed.)

Popper, Karl Raimund Sir, i David W. Miller. Popper Selections. Princeton University Press, 1984.