Cita APA (7th ed.)

Villar, A. S. (2008). Coping with down's syndrome. Smart Parenting.

Cita Chicago (17th ed.)

Villar, Anna Santos. "Coping with Down's Syndrome." Smart Parenting 2008.

Cita MLA (9th ed.)

Villar, Anna Santos. "Coping with Down's Syndrome." Smart Parenting, 2008.