Cita APA

Ward, M., & Hardgrive, C. E. (1964). Modern elementary mathematics. Addison-Wesley.

Citación estilo Chicago

Ward, Morgan., and Clarence E. Hardgrive. Modern Elementary Mathematics. Reading: Addison-Wesley, 1964.

Cita MLA

Ward, Morgan., and Clarence E. Hardgrive. Modern Elementary Mathematics. Reading: Addison-Wesley, 1964.