Cita APA (7a ed.)

-. (1995). The new encyclopaedia britannica vol. 23: Macropaedia(knowledge in depth).-- 15th edition. Encyclopaedia Britannica.

Cita Chicago Style (17a ed.)

-. The New Encyclopaedia Britannica Vol. 23: Macropaedia(knowledge in Depth).-- 15th Edition. Chicago: Encyclopaedia Britannica, 1995.

Cita MLA (9a ed.)

-. The New Encyclopaedia Britannica Vol. 23: Macropaedia(knowledge in Depth).-- 15th Edition. Encyclopaedia Britannica, 1995.