MLA

Russell, Bertrand. Theory of Knowledge: the 1913 Manuscript. London: George Allen & Unwin, 1984.

APA

Russell, B. (1984). Theory of knowledge: the 1913 manuscript. London: George Allen & Unwin.

Chicago

Russell, Bertrand, Elisabeth Ramsden Eames, and Kenneth Blackwell. Theory of Knowledge: the 1913 Manuscript. London: George Allen & Unwin, 1984.