Cita APA (7a ed.)

Roberts, H. M., & Stockton, D. S. (1956). Elements of mathematics (2nd. ed.). Addison-Wesley.

Cita Chicago Style (17a ed.)

Roberts, Helen Murray, y Doris Skillman Stockton. Elements of Mathematics. 2nd. ed. Reading, MA: Addison-Wesley, 1956.

Cita MLA (8a ed.)

Roberts, Helen Murray, y Doris Skillman Stockton. Elements of Mathematics. 2nd. ed. Addison-Wesley, 1956.