Cita APA (7a ed.)

Norton, P. (1994). The New Encyclopaedia Britannica (15th ed.). Britannica.

Cita Chicago Style (17a ed.)

Norton, Peter. The New Encyclopaedia Britannica. 15th ed. Chicago: Britannica, 1994.

Cita MLA (8a ed.)

Norton, Peter. The New Encyclopaedia Britannica. 15th ed. Britannica, 1994.