APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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