APA (7th ed.) Citation

Cohen, W. I., Nadel, L., & Madnick, M. E. (2002). Down syndrome: Visions for the 21st century. Wiley-Liss.

Chicago Style (17th ed.) Citation

Cohen, William I., Lynn Nadel, and Myra E. Madnick. Down Syndrome: Visions for the 21st Century. New York: Wiley-Liss, 2002.

MLA (8th ed.) Citation

Cohen, William I., et al. Down Syndrome: Visions for the 21st Century. Wiley-Liss, 2002.