APA citiranje

Sparks, F. W. (1942). Plane trigonometry. Prentice-Hall.

Chicago Style (17th ed.) Citation

Sparks, Fred Winchell. Plane Trigonometry. New York: Prentice-Hall, 1942.

MLA citiranje

Sparks, Fred Winchell. Plane Trigonometry. Prentice-Hall, 1942.