Cita APA (7a ed.)

NILES, N. 0. (1959). Plane trigonometry. Wiley.

Cita Chicago Style (17a ed.)

NILES, Nathan 0. Plane Trigonometry. New York: Wiley, 1959.

Cita MLA (9a ed.)

NILES, Nathan 0. Plane Trigonometry. Wiley, 1959.