APA Citation

Sparks, F. W. n. 1., & Sparks, F. W. n. 1. (1966). Trigonometria plana. México: Reverté.

Chicago Style Citation

Sparks, Fred Winchell n. 1891, and Fred Winchell n. 1891 Sparks. Trigonometria Plana. México: Reverté, 1966.

MLA Citation

Sparks, Fred Winchell n. 1891, and Fred Winchell n. 1891 Sparks. Trigonometria Plana. México: Reverté, 1966.

Warning: These citations may not always be 100% accurate.