Cita APA (7th ed.)

Durell, C. (1966). Elementry geometry. G.Bell.

Cita Chicago (17th ed.)

Durell, C.V. Elementry Geometry. London: G.Bell, 1966.

Cita MLA (9th ed.)

Durell, C.V. Elementry Geometry. G.Bell, 1966.