Cita APA (7th ed.)

POPPER, K. R. (1992). Conjectures and refutations: The growth of scientific knowledge.-- ed.5. Routledge and Kegan Paul.

Cita Chicago (17th ed.)

POPPER, Karl R. Conjectures and Refutations: The Growth of Scientific Knowledge.-- Ed.5. New York: Routledge and Kegan Paul, 1992.

Cita MLA (9th ed.)

POPPER, Karl R. Conjectures and Refutations: The Growth of Scientific Knowledge.-- Ed.5. Routledge and Kegan Paul, 1992.