APA (7th ed.) Citation

Castillo, L. L., Reyes, F. N., Cejalvo, F. V., & Tangco, J. T. (2008). College algebra and trigonometry (2nd ed.). National Book Store.

Chicago Style (17th ed.) Citation

Castillo, Leticia L., Fe N. Reyes, Flor V. Cejalvo, and Jesusa T. Tangco. College Algebra and Trigonometry. 2nd ed. Manila: National Book Store, 2008.

MLA (9th ed.) Citation

Castillo, Leticia L., et al. College Algebra and Trigonometry. 2nd ed. National Book Store, 2008.