APA (7th ed.) Citation

Koay, T. L. (1990). A case study of a Down syndrome child.

Chicago Style (17th ed.) Citation

Koay, Teng Leong. A Case Study of a Down Syndrome Child. 1990.

MLA (8th ed.) Citation

Koay, Teng Leong. A Case Study of a Down Syndrome Child. 1990.

Warning: These citations may not always be 100% accurate.