APA Citation

Popper, K. R. 1., & Popper, K. R. 1. (1972). Objective knowledge: An evolutionary approach. Oxford: Clarendon Press.

Chicago Style Citation

Popper, Karl Raimund 1902-1994, and Karl Raimund 1902-1994 Popper. Objective Knowledge: An Evolutionary Approach. Oxford: Clarendon Press, 1972.

MLA Citation

Popper, Karl Raimund 1902-1994, and Karl Raimund 1902-1994 Popper. Objective Knowledge: An Evolutionary Approach. Oxford: Clarendon Press, 1972.

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