Cita APA (7th ed.)
SHERMAN, S., & ET AL. (2007). EPIDEMIOLOGY OF DOWN SYNDROME.
Cita Chicago (17th ed.)
SHERMAN, S.L, i ET AL. EPIDEMIOLOGY OF DOWN SYNDROME. 2007.
Cita MLA (9th ed.)
SHERMAN, S.L, i ET AL. EPIDEMIOLOGY OF DOWN SYNDROME. 2007.
Atenció: Aquestes cites poden no estar 100% correctes.