APA (7th ed.) Citation

Murphy, P. J. (2004). Counting with an Abacus: Learning the place values of ones, tens, and hundreds. The Rosen Publishing Group.

Chicago Style (17th ed.) Citation

Murphy, Patricia J. Counting with an Abacus: Learning the Place Values of Ones, Tens, and Hundreds. New York: The Rosen Publishing Group, 2004.

MLA (9th ed.) Citation

Murphy, Patricia J. Counting with an Abacus: Learning the Place Values of Ones, Tens, and Hundreds. The Rosen Publishing Group, 2004.