Cita APA (7th ed.)

Legendre, A. M. (1875). Elements of geometry and trigonometry. A. S. Barnes.

Cita Chicago (17th ed.)

Legendre, A. M. Elements of Geometry and Trigonometry. New York: A. S. Barnes, 1875.

Cita MLA (9th ed.)

Legendre, A. M. Elements of Geometry and Trigonometry. A. S. Barnes, 1875.