Cita APA (7a ed.)

Western, D. W., & Haag, V. H. (1959). An introduction to mathematics. Henry Holt.

Cita Chicago Style (17a ed.)

Western, Donald W., y Vincent H. Haag. An Introduction to Mathematics. New York: Henry Holt, 1959.

Cita MLA (9a ed.)

Western, Donald W., y Vincent H. Haag. An Introduction to Mathematics. Henry Holt, 1959.