APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Popper, Karl Raimund. The Logic of Scientific Discovery. 6th impression rev. Hutchinson, 1972.