APA (7th ed.) Citation

Santrock, J. W. (2009). Life-span development (12th ed.). McGraw-Hill Higher.

Chicago Style (17th ed.) Citation

Santrock, John W. Life-span Development. 12th ed. Boston ; New York: McGraw-Hill Higher, 2009.

MLA (9th ed.) Citation

Santrock, John W. Life-span Development. 12th ed. McGraw-Hill Higher, 2009.