APA Citation

Popper, K. R. S. (1989). Conjectures and refutations: The growth of scientific knowledge (5th ed. (rev.).). London: Routledge.

Chicago Style Citation

Popper, Karl R. Sir. Conjectures and Refutations: The Growth of Scientific Knowledge. 5th ed. (rev.). London: Routledge, 1989.

MLA Citation

Popper, Karl R. Sir. Conjectures and Refutations: The Growth of Scientific Knowledge. 5th ed. (rev.). London: Routledge, 1989.

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