APA (7th ed.) Citation

Selikowitz, M. (2008). Down syndrome: The facts (3rd ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Selikowitz, Mark. Down Syndrome: The Facts. 3rd ed. Oxford ; New York: Oxford University Press, 2008.

MLA (9th ed.) Citation

Selikowitz, Mark. Down Syndrome: The Facts. 3rd ed. Oxford University Press, 2008.