APA Edition Citation

Popper, K. R. (1972). Objective knowledge: An evolutionary approach. Clarendon Press.

Chicago Edition Citation

Popper, Karl R. Objective Knowledge: An Evolutionary Approach. Oxford: Clarendon Press, 1972.

MLA Edition Citation

Popper, Karl R. Objective Knowledge: An Evolutionary Approach. Clarendon Press, 1972.

Warning: These citations may not always be 100% accurate.