Cita APA (7th ed.)

Fehr, H. F., Fey, J. T., & Hill, T. J. (1972). Unified mathematics course. Addison-Wesley.

Cita Chicago (17th ed.)

Fehr, Howard F., James T. Fey, i Thomas J. Hill. Unified Mathematics Course. Menlo Park: Addison-Wesley, 1972.

Cita MLA (9th ed.)

Fehr, Howard F., et al. Unified Mathematics Course. Addison-Wesley, 1972.