APA (7th ed.) Citation
ARDAY, D., & ET AL. SMOKING, HIV INFECTION, AND GAY MEN IN THE UNITED STATES.
Chicago Style (17th ed.) Citation
ARDAY, D.R, and ET AL. SMOKING, HIV INFECTION, AND GAY MEN IN THE UNITED STATES.
MLA (9th ed.) Citation
ARDAY, D.R, and ET AL. SMOKING, HIV INFECTION, AND GAY MEN IN THE UNITED STATES.
Warning: These citations may not always be 100% accurate.