APA (7th ed.) Citation
HUGHES, P., & ET AL. PHYSICIAN SUBSTANCE USE BY MEDICAL SPECIALTY.
Chicago Style (17th ed.) Citation
HUGHES, P.H, and ET AL. PHYSICIAN SUBSTANCE USE BY MEDICAL SPECIALTY.
MLA (9th ed.) Citation
HUGHES, P.H, and ET AL. PHYSICIAN SUBSTANCE USE BY MEDICAL SPECIALTY.
Warning: These citations may not always be 100% accurate.