Citazione Stile APA (7a Edizione)

RUSSELL, B. (1980). Our knowledge of the external world; as a field for scientific method in philosophy (2nd ed.). George Allem and Unwin.

Citazione stile Chigago Style (17a edizione)

RUSSELL, Bertrand. Our Knowledge of the External World; as a Field for Scientific Method in Philosophy. 2nd ed. London: George Allem and Unwin, 1980.

Citatione MLA (9a ed.)

RUSSELL, Bertrand. Our Knowledge of the External World; as a Field for Scientific Method in Philosophy. 2nd ed. George Allem and Unwin, 1980.