APA (7th ed.) Citation

(2013). Narcotic drugs: Estimated world requirements for 2013, statistics for 2011. United Nations.

Chicago Style (17th ed.) Citation

Narcotic Drugs: Estimated World Requirements for 2013, Statistics for 2011. New York: United Nations, 2013.

MLA (9th ed.) Citation

Narcotic Drugs: Estimated World Requirements for 2013, Statistics for 2011. United Nations, 2013.

Warning: These citations may not always be 100% accurate.