Citazione APA

Popper, K. R., & Bartley, W. W. (1983). Realism and the aim of science. Hutchinson.

Stile di citazione Chicago

Popper, Karl R., e William Warren Bartley. Realism and the Aim of Science. London: Hutchinson, 1983.

Citazione MLA

Popper, Karl R., e William Warren Bartley. Realism and the Aim of Science. Hutchinson, 1983.