Cita APA (7th ed.)

Bell, R. J. T. (1912). Elementary Treatise on Coordinate Geometry of Three Dimensions (3rd ed.). Macmillan.

Cita Chicago (17th ed.)

Bell, Robert J. T. Elementary Treatise on Coordinate Geometry of Three Dimensions. 3rd ed. London: Macmillan, 1912.

Cita MLA (9th ed.)

Bell, Robert J. T. Elementary Treatise on Coordinate Geometry of Three Dimensions. 3rd ed. Macmillan, 1912.

Atenció: Aquestes cites poden no estar 100% correctes.