Cita APA (7a ed.)

Forbes, J. E., & Eicholz, R. E. (1971). Mathematics for elementary teachers. Addison-Wesley Pub. Co.

Cita Chicago Style (17a ed.)

Forbes, Jack E., y Robert E. Eicholz. Mathematics for Elementary Teachers. Reading, Mass: Addison-Wesley Pub. Co, 1971.

Cita MLA (9a ed.)

Forbes, Jack E., y Robert E. Eicholz. Mathematics for Elementary Teachers. Addison-Wesley Pub. Co, 1971.