APA (7th ed.) Citation
LEVY, F., & ET AL. (1996). TWIN-SIBLING DIFFERENCES IN PARENTAL REPORTS OF ADHD, SPEECH, READING AND BEHAVIOUR PROBLEMS.
Chicago Style (17th ed.) Citation
LEVY, F., and ET AL. TWIN-SIBLING DIFFERENCES IN PARENTAL REPORTS OF ADHD, SPEECH, READING AND BEHAVIOUR PROBLEMS. 1996.
MLA (9th ed.) Citation
LEVY, F., and ET AL. TWIN-SIBLING DIFFERENCES IN PARENTAL REPORTS OF ADHD, SPEECH, READING AND BEHAVIOUR PROBLEMS. 1996.
Warning: These citations may not always be 100% accurate.