APA (7th ed.) Citation
CAYCHO, L., & ET AL. (1991). COUNTING BY CHILDREN WITH DOWN SYNDROME.
Chicago Style (17th ed.) Citation
CAYCHO, L., and ET AL. COUNTING BY CHILDREN WITH DOWN SYNDROME. 1991.
MLA (9th ed.) Citation
CAYCHO, L., and ET AL. COUNTING BY CHILDREN WITH DOWN SYNDROME. 1991.
Warning: These citations may not always be 100% accurate.