Cita APA

(1974). The New Encyclopaedia Britannica ( the Index L-Z) (15th.). Enclopaedia Britannica Inc.

Chicago Edition Citation

The New Encyclopaedia Britannica ( the Index L-Z). 15th. Chicago: Enclopaedia Britannica Inc, 1974.

Cita MLA

The New Encyclopaedia Britannica ( the Index L-Z). 15th. Enclopaedia Britannica Inc, 1974.