APA (7th ed.) Citation

Popper, K. R. (1969). Conjectures and refutations : the growth of scientific knowledge / by Karl R. Popper: The growth of scientific knowledge (3rd ed.). Routledge and Kegan Paul.

Chicago Style (17th ed.) Citation

Popper, Karl R. Conjectures and Refutations : The Growth of Scientific Knowledge / by Karl R. Popper: The Growth of Scientific Knowledge. 3rd ed. London: Routledge and Kegan Paul, 1969.

MLA (9th ed.) Citation

Popper, Karl R. Conjectures and Refutations : The Growth of Scientific Knowledge / by Karl R. Popper: The Growth of Scientific Knowledge. 3rd ed. Routledge and Kegan Paul, 1969.

Warning: These citations may not always be 100% accurate.