APA (7th ed.) Citation
CHAPMAN, R., & ET AL. (1992). LANGUAGE SKILLS OF CHILDREN AND ADOLESCENTS WITH DOWN SYNDROME: I. COMPREHENSION.
Chicago Style (17th ed.) Citation
CHAPMAN, R.S, and ET AL. LANGUAGE SKILLS OF CHILDREN AND ADOLESCENTS WITH DOWN SYNDROME: I. COMPREHENSION. 1992.
MLA (9th ed.) Citation
CHAPMAN, R.S, and ET AL. LANGUAGE SKILLS OF CHILDREN AND ADOLESCENTS WITH DOWN SYNDROME: I. COMPREHENSION. 1992.
Warning: These citations may not always be 100% accurate.