Cita APA (7a ed.)
Keenan, T., & Evans, S. (2009). An introduction to child development (2nd ed.). Sage.
Cita Chicago Style (17a ed.)
Keenan, Thomas, y Subhadra Evans. An Introduction to Child Development. 2nd ed. Los Angeles :London: Sage, 2009.
Cita MLA (9a ed.)
Keenan, Thomas, y Subhadra Evans. An Introduction to Child Development. 2nd ed. Sage, 2009.
Precaución: Estas citas no son 100% exactas.