Cita APA

Roberts, J. B., & Roberts, J. B. (1962). The real number system in an algebraic setting. San Francisco: W.H. Freeman.

Citación estilo Chicago

Roberts, Joseph Buffington, y Joseph Buffington Roberts. The Real Number System in an Algebraic Setting. San Francisco: W.H. Freeman, 1962.

Cita MLA

Roberts, Joseph Buffington, y Joseph Buffington Roberts. The Real Number System in an Algebraic Setting. San Francisco: W.H. Freeman, 1962.