APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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