APA (7. basım) Alıntı

Popper, K. R. (1979). Objective knowledge: An evolutionary approach (Revised Ed.). Clarendon Press.

Chicago Style (17. basım) Atıf

Popper, Karl R. Objective Knowledge: An Evolutionary Approach. Revised Ed. Oxford: Clarendon Press, 1979.

MLA (9th ed.) Atıf

Popper, Karl R. Objective Knowledge: An Evolutionary Approach. Revised Ed. Clarendon Press, 1979.