APA
UNITED NATIONS D. S. B., UNITED NATIONS D. S. B., . (1958). Estimated world requirements of narcotic drugs in 1959. Geneva: UN.
Chicago
UNITED NATIONS DRUG SUPERVISORY BODY, UNITED NATIONS DRUG SUPERVISORY BODY, . 1958. Estimated world requirements of narcotic drugs in 1959. Geneva: UN.
Harvard
UNITED NATIONS D. S. B., UNITED NATIONS D. S. B., . (1958). Estimated world requirements of narcotic drugs in 1959. Geneva: UN.
MLA
UNITED NATIONS DRUG SUPERVISORY BODY, UNITED NATIONS DRUG SUPERVISORY BODY, . Estimated world requirements of narcotic drugs in 1959. Geneva: UN. 1958.