Citazione APA

Popper, K. R. (1972). The logic of scientific discovery (6th impression revised.). Hutchinson.

Stile di citazione Chicago

Popper, Karl R. The Logic of Scientific Discovery. 6th impression revised. London: Hutchinson, 1972.

Citazione MLA

Popper, Karl R. The Logic of Scientific Discovery. 6th impression revised. Hutchinson, 1972.