Cita APA (7a ed.)

May, L. J. (1970). Teaching mathematics in the elementary school. Free Press.

Cita Chicago Style (17a ed.)

May, Lola June. Teaching Mathematics in the Elementary School. New York: Free Press, 1970.

Cita MLA (9a ed.)

May, Lola June. Teaching Mathematics in the Elementary School. Free Press, 1970.