Cita APA (7a ed.)

Popper, K. R. (1963). Conjectures and refutations: The growth of scientific knowledge. Routledge and Kegan Paul.

Cita Chicago Style (17a ed.)

Popper, Karl R. Conjectures and Refutations: The Growth of Scientific Knowledge. London: Routledge and Kegan Paul, 1963.

Cita MLA (8a ed.)

Popper, Karl R. Conjectures and Refutations: The Growth of Scientific Knowledge. Routledge and Kegan Paul, 1963.