APA (7th ed.) Citation
RILEY, W., & ET AL. (1996). ADULT SMOKELESS TOBACCO USE AND AGE OF ONSET.
Chicago Style (17th ed.) Citation
RILEY, W.T, and ET AL. ADULT SMOKELESS TOBACCO USE AND AGE OF ONSET. 1996.
MLA (9th ed.) Citation
RILEY, W.T, and ET AL. ADULT SMOKELESS TOBACCO USE AND AGE OF ONSET. 1996.
Warning: These citations may not always be 100% accurate.