Cita APA (7a ed.)

Popper, K. R. (1975). Objective knowledge: An evolutionary approach (Repr. with corrections.). Clarendon Press.

Cita Chicago Style (17a ed.)

Popper, Karl Raimund. Objective Knowledge: An Evolutionary Approach. Repr. with corrections. Oxford: Clarendon Press, 1975.

Cita MLA (9a ed.)

Popper, Karl Raimund. Objective Knowledge: An Evolutionary Approach. Repr. with corrections. Clarendon Press, 1975.