Cita APA (7a ed.)
SHIFFMAN, S., & ET AL. (1998). PUBLIC HEALTH BENEFIT OF OVER-THE-COUNTER NICOTINE MEDICATIONS.
Cita Chicago Style (17a ed.)
SHIFFMAN, S., y ET AL. PUBLIC HEALTH BENEFIT OF OVER-THE-COUNTER NICOTINE MEDICATIONS. 1998.
Cita MLA (9a ed.)
SHIFFMAN, S., y ET AL. PUBLIC HEALTH BENEFIT OF OVER-THE-COUNTER NICOTINE MEDICATIONS. 1998.
Precaución: Estas citas no son 100% exactas.