Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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