Cita APA (7th ed.)
Murphy, P. J., & Kempf, A. F. (1977). The new mathematics made simple (2nd rev. ed.). W.H. Allen,.
Cita Chicago (17th ed.)
Murphy, Patrick J., i Albert F. Kempf. The New Mathematics Made Simple. 2nd rev. ed. London: W.H. Allen,, 1977.
Cita MLA (9th ed.)
Murphy, Patrick J., i Albert F. Kempf. The New Mathematics Made Simple. 2nd rev. ed. W.H. Allen,, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.