APA (7th ed.) Citation

Popper, K. R. (1963). Conjectures and refutations: the growth: Of scientific knowledge (5th ed.). Routledge.

Chicago Style (17th ed.) Citation

Popper, Karl R. Conjectures and Refutations: The Growth: Of Scientific Knowledge. 5th ed. London: Routledge, 1963.

MLA (9th ed.) Citation

Popper, Karl R. Conjectures and Refutations: The Growth: Of Scientific Knowledge. 5th ed. Routledge, 1963.