APA (7th ed.) Citation

Ross, S. C., & Boyd, L. H. (1991). Precalculus algebra and trigonometry. Brooks/Cole Publishing.

Chicago Style (17th ed.) Citation

Ross, Sharon Cutler, and Linda Hawkins Boyd. Precalculus Algebra and Trigonometry. California: Brooks/Cole Publishing, 1991.

MLA (9th ed.) Citation

Ross, Sharon Cutler, and Linda Hawkins Boyd. Precalculus Algebra and Trigonometry. Brooks/Cole Publishing, 1991.