APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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