Cita APA (7th ed.)

Santrock, J. W. (2008). Essentials of life-span development. McGraw-Hill.

Cita Chicago (17th ed.)

Santrock, John W. Essentials of Life-span Development. Boston: McGraw-Hill, 2008.

Cita MLA (9th ed.)

Santrock, John W. Essentials of Life-span Development. McGraw-Hill, 2008.