Cita APA (7th ed.)
(2010). The new encyclopaedia Britannica: Propaedia outline of knowledge: Guide to the Britanica (15th ed.). Encyclopaedia Britanica Inc..
Cita Chicago (17th ed.)
The New Encyclopaedia Britannica: Propaedia Outline of Knowledge: Guide to the Britanica. 15th ed. Chicago: Encyclopaedia Britanica Inc., 2010.
Cita MLA (9th ed.)
The New Encyclopaedia Britannica: Propaedia Outline of Knowledge: Guide to the Britanica. 15th ed. Encyclopaedia Britanica Inc., 2010.
Atenció: Aquestes cites poden no estar 100% correctes.