Cita APA
(2010). The new encyclopaedia Britannica: The index (15th ed.). Encyclopaedia Britanica Inc..
Citación estilo Chicago
The New Encyclopaedia Britannica: The Index. 15th ed. Chicago: Encyclopaedia Britanica Inc., 2010.
Cita MLA
The New Encyclopaedia Britannica: The Index. 15th ed. Encyclopaedia Britanica Inc., 2010.
Warning: These citations may not always be 100% accurate.