Cita APA (7a ed.)

(1952). The thirteen books of Euclid's elements. Encyclopaedia Britannica.

Cita Chicago Style (17a ed.)

The Thirteen Books of Euclid's Elements. Chicago: Encyclopaedia Britannica, 1952.

Cita MLA (9a ed.)

The Thirteen Books of Euclid's Elements. Encyclopaedia Britannica, 1952.