Cita APA

Niles, N. O. (1976). Plane trigonometry (3d. ed.). Wiley.

Citación estilo Chicago

Niles, Nathan O. Plane Trigonometry. 3d. ed. New York: Wiley, 1976.

Cita MLA

Niles, Nathan O. Plane Trigonometry. 3d. ed. Wiley, 1976.