Citazione APA

Popper, K. R. (1972). Conjectures and refutations: The growth of scientific knowledge. Routledge and Kegan Paul.

Stile di citazione Chicago

Popper, Karl R. Conjectures and Refutations: The Growth of Scientific Knowledge. London: Routledge and Kegan Paul, 1972.

Citazione MLA

Popper, Karl R. Conjectures and Refutations: The Growth of Scientific Knowledge. Routledge and Kegan Paul, 1972.