APA

United Nations Conference for the Adoption of a Protocol on Psychotr opic Substances, United Nations. Economic and Social Council, . (1973). United Nations Conference for the Adoption of a Protocol on Psychotr opic Substances official records, Vienna, 11 January-19 February 1971. New York: United Nations.

Chicago

United Nations Conference for the Adoption of a Protocol on Psychotr opic Substances, United Nations. Economic and Social Council, . 1973. United Nations Conference for the Adoption of a Protocol on Psychotr opic Substances official records, Vienna, 11 January-19 February 1971. New York: United Nations.

Harvard

United Nations Conference for the Adoption of a Protocol on Psychotr opic Substances, United Nations. Economic and Social Council, . (1973). United Nations Conference for the Adoption of a Protocol on Psychotr opic Substances official records, Vienna, 11 January-19 February 1971. New York: United Nations.

MLA

United Nations Conference for the Adoption of a Protocol on Psychotr opic Substances, United Nations. Economic and Social Council, . United Nations Conference for the Adoption of a Protocol on Psychotr opic Substances official records, Vienna, 11 January-19 February 1971. New York: United Nations. 1973.