APA (7th ed.) Citation

Smith, K. J. (2006). Essentials of trigonometry (4. ed.). Thomson Brooks/Cole.

Chicago Style (17th ed.) Citation

Smith, Karl J. Essentials of Trigonometry. 4. ed. Belmont, Calif: Thomson Brooks/Cole, 2006.

MLA (9th ed.) Citation

Smith, Karl J. Essentials of Trigonometry. 4. ed. Thomson Brooks/Cole, 2006.

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