APA aipamena

Wentworth, G., & Smith, D. E. (1914). Plane trigonometry. Ginn.

Chicago Style aipamena

Wentworth, George, and David Eugene Smith. Plane Trigonometry. Boston: Ginn, 1914.

MLA aipamena

Wentworth, George, and David Eugene Smith. Plane Trigonometry. Ginn, 1914.