Cita APA (7th ed.)

Norton P. B. (1994). Metaphysics-Norway; The New Encyclopaedia Britannica (15-th ed.). London, Encyclopaedia Britannica, 1994.

Cita Chicago (17th ed.)

Norton P. B. Metaphysics-Norway; The New Encyclopaedia Britannica. 15-th ed. London, Encyclopaedia Britannica, 1994, 1994.

Cita MLA (9th ed.)

Norton P. B. Metaphysics-Norway; The New Encyclopaedia Britannica. 15-th ed. London, Encyclopaedia Britannica, 1994, 1994.