Cita APA (7th ed.)

Popper, K. R. (1965). Conjectures and refutatuions: The growth of scientific knowledge. Harper Torchbooks.

Cita Chicago (17th ed.)

Popper, Karl R. Conjectures and Refutatuions: The Growth of Scientific Knowledge. New York: Harper Torchbooks, 1965.

Cita MLA (9th ed.)

Popper, Karl R. Conjectures and Refutatuions: The Growth of Scientific Knowledge. Harper Torchbooks, 1965.