Cita APA (7th ed.)

Somevell, E. L. (1975). A rhythmic approach to mathematics. National Council of Teachers of Mathematics.

Cita Chicago (17th ed.)

Somevell, Edith L. A Rhythmic Approach to Mathematics. [Reston, va.]: National Council of Teachers of Mathematics, 1975.

Cita MLA (9th ed.)

Somevell, Edith L. A Rhythmic Approach to Mathematics. National Council of Teachers of Mathematics, 1975.