Cita APA (7a ed.)

Harris, J. (1990). Early language development: Implications for clinical and educational practice. Routledge.

Cita Chicago Style (17a ed.)

Harris, John. Early Language Development: Implications for Clinical and Educational Practice. London: Routledge, 1990.

Cita MLA (9a ed.)

Harris, John. Early Language Development: Implications for Clinical and Educational Practice. Routledge, 1990.