APA Edition Citation

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

Chicago Edition Citation

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

MLA Edition Citation

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