APA (7th ed.) Citation
LIFRAK, P., & ET AL. (1997). RESULTS OF TWO LEVELS OF ADJUNCTIVE TREATMENT USED WITH THE NICOTINE PATCH.
Chicago Style (17th ed.) Citation
LIFRAK, P., and ET AL. RESULTS OF TWO LEVELS OF ADJUNCTIVE TREATMENT USED WITH THE NICOTINE PATCH. 1997.
MLA (9th ed.) Citation
LIFRAK, P., and ET AL. RESULTS OF TWO LEVELS OF ADJUNCTIVE TREATMENT USED WITH THE NICOTINE PATCH. 1997.
Warning: These citations may not always be 100% accurate.