Cita APA (7th ed.)

HESTENES, M. D., & HILL, R. O. (1986). Algebra and trigonometry.-- Ed. 2. Prentice hall.

Cita Chicago (17th ed.)

HESTENES, Marshall D., i Richard O.\ HILL. Algebra and Trigonometry.-- Ed. 2. New Jersey: Prentice hall, 1986.

Cita MLA (9th ed.)

HESTENES, Marshall D., i Richard O.\ HILL. Algebra and Trigonometry.-- Ed. 2. Prentice hall, 1986.