APA (7th ed.) Citation
Petersen, Z., & ET AL. (2014). Availability of HIV prevention and treatment services for people who inject drugs: Findings from 21 countries.
Chicago Style (17th ed.) Citation
Petersen, Z., and ET AL. Availability of HIV Prevention and Treatment Services for People Who Inject Drugs: Findings from 21 Countries. 2014.
MLA (9th ed.) Citation
Petersen, Z., and ET AL. Availability of HIV Prevention and Treatment Services for People Who Inject Drugs: Findings from 21 Countries. 2014.
Warning: These citations may not always be 100% accurate.