Cita APA (7a ed.)
Upitis, R. B., Phillips, E., & Higginson, W. (1997). Creative mathematics: Exploring children's understanding. Routledge.
Cita Chicago Style (17a ed.)
Upitis, Rena Brigit, Eileen Phillips, y William Higginson. Creative Mathematics: Exploring Children's Understanding. London ; New York: Routledge, 1997.
Cita MLA (9a ed.)
Upitis, Rena Brigit, et al. Creative Mathematics: Exploring Children's Understanding. Routledge, 1997.
Precaución: Estas citas no son 100% exactas.