Cita APA

(1993). New Encyclopaedia Britannica (15th ed.). Encyclopaedia Britannica.

Citación estilo Chicago

New Encyclopaedia Britannica. 15th ed. Chicago: Encyclopaedia Britannica, 1993.

Cita MLA

New Encyclopaedia Britannica. 15th ed. Encyclopaedia Britannica, 1993.

Warning: These citations may not always be 100% accurate.