Cita APA (7th ed.)

Encyclopaedia Britannica, Inc. (2007). The New encyclopaedia Britannica (15th ed., [2007 rev.].). Encyclopaedia Britannica.

Cita Chicago (17th ed.)

Encyclopaedia Britannica, Inc. The New Encyclopaedia Britannica. 15th ed., [2007 rev.]. Chicago: Encyclopaedia Britannica, 2007.

Cita MLA (9th ed.)

Encyclopaedia Britannica, Inc. The New Encyclopaedia Britannica. 15th ed., [2007 rev.]. Encyclopaedia Britannica, 2007.