Cita APA (7th ed.)

Sammons, L. (2010). Math stretches: Building conceptual understanding. Shell Education.

Cita Chicago (17th ed.)

Sammons, Laney. Math Stretches: Building Conceptual Understanding. Huntington Beach, Calif: Shell Education, 2010.

Cita MLA (9th ed.)

Sammons, Laney. Math Stretches: Building Conceptual Understanding. Shell Education, 2010.