APA (7th ed.) Citation
LONGO, D., & ET AL. (1998). IMPLEMENTING SMOKING BANS IN AMERICAN HOSPITALS: RESULTS OF A NATIONAL SURVEY.
Chicago Style (17th ed.) Citation
LONGO, D.R, and ET AL. IMPLEMENTING SMOKING BANS IN AMERICAN HOSPITALS: RESULTS OF A NATIONAL SURVEY. 1998.
MLA (9th ed.) Citation
LONGO, D.R, and ET AL. IMPLEMENTING SMOKING BANS IN AMERICAN HOSPITALS: RESULTS OF A NATIONAL SURVEY. 1998.
Warning: These citations may not always be 100% accurate.