APA (7th ed.) Citation
WALKER, H., & ET AL. (1989). SYSTEMATIC SCREENING OF PUPILS IN THE ELEMENTARY AGE RANGE AT RISK FOR BEHAVIOR DISORDERS.
Chicago Style (17th ed.) Citation
WALKER, H.M, and ET AL. SYSTEMATIC SCREENING OF PUPILS IN THE ELEMENTARY AGE RANGE AT RISK FOR BEHAVIOR DISORDERS. 1989.
MLA (9th ed.) Citation
WALKER, H.M, and ET AL. SYSTEMATIC SCREENING OF PUPILS IN THE ELEMENTARY AGE RANGE AT RISK FOR BEHAVIOR DISORDERS. 1989.
Warning: These citations may not always be 100% accurate.