APA Style

Santrock, John W.. (2009). LIFE-SPAN DEVELOPMENT (12 th Ed.) (12 th Ed.). New York: McGarw-Hill , Ltd..

Chicago Style

Santrock, John W.. LIFE-SPAN DEVELOPMENT (12 th Ed.). 12 th Ed. New York: McGarw-Hill , Ltd., 2009. Text.

MLA Style

Santrock, John W.. LIFE-SPAN DEVELOPMENT (12 th Ed.). 12 th Ed. New York: McGarw-Hill , Ltd., 2009. Text.

Turabian Style

Santrock, John W.. LIFE-SPAN DEVELOPMENT (12 th Ed.). 12 th Ed. New York: McGarw-Hill , Ltd., 2009. Print.