APA Format
World Health Organization . (). The selection and use essential medicines: report of the WHO expert committee, 2009 (including the 16th WHO model list of essential medicines and the 2n WHO model list of essential medicines for children). : Geneva: WHO, 2010
MLA Format
World Health Organization . The selection and use essential medicines: report of the WHO expert committee, 2009 (including the 16th WHO model list of essential medicines and the 2n WHO model list of essential medicines for children). : Geneva: WHO, 2010,
Australian/Harvard Format
World Health Organization . . The selection and use essential medicines: report of the WHO expert committee, 2009 (including the 16th WHO model list of essential medicines and the 2n WHO model list of essential medicines for children). Geneva: WHO, 2010, 
Warning: These citations may not always be 100% accurate.