Cita APA (7a ed.)
Keenan, T. (2002). An introduction to child development. Sage Publications.
Cita Chicago Style (17a ed.)
Keenan, Thomas. An Introduction to Child Development. Los Angeles: Sage Publications, 2002.
Cita MLA (9a ed.)
Keenan, Thomas. An Introduction to Child Development. Sage Publications, 2002.
Precaución: Estas citas no son 100% exactas.