APA (7th ed.) Citation

Dougherty, B. J. (2010). Developing essential understanding of number and numeration for teaching mathematics in prekindergarten--grade 2. National Council of Teachers of Mathematics.

Chicago Style (17th ed.) Citation

Dougherty, Barbara J. Developing Essential Understanding of Number and Numeration for Teaching Mathematics in Prekindergarten--grade 2. Reston, VA: National Council of Teachers of Mathematics, 2010.

MLA (9th ed.) Citation

Dougherty, Barbara J. Developing Essential Understanding of Number and Numeration for Teaching Mathematics in Prekindergarten--grade 2. National Council of Teachers of Mathematics, 2010.