Cita APA (7a ed.)

Charles P. McKeague; Mark D. Turner. (2016). Trigonometry, 8th Edition (eighth edition.). Cengage Learning.

Cita Chicago Style (17a ed.)

Charles P. McKeague; Mark D. Turner. Trigonometry, 8th Edition. eighth edition. United States of America: Cengage Learning, 2016.

Cita MLA (8a ed.)

Charles P. McKeague; Mark D. Turner. Trigonometry, 8th Edition. eighth edition. Cengage Learning, 2016.