Cita APA (7th ed.)

Gwinn, C. (1988). The new encyclopaedia Britannica (15th ed.). Enclycopaedia Britannica Inc.

Cita Chicago (17th ed.)

Gwinn, Chairman. The New Encyclopaedia Britannica. 15th ed. Auckland: Enclycopaedia Britannica Inc, 1988.

Cita MLA (9th ed.)

Gwinn, Chairman. The New Encyclopaedia Britannica. 15th ed. Enclycopaedia Britannica Inc, 1988.