APA
UNITED NATIONS E. A. S. A. (. o. )., UNITED NATIONS E. A. S. A. (. o. )., . (1971). Population and vital statistics report. New York: UN.
Chicago
UNITED NATIONS ECONOMIC AND SOCIAL AFFAIRS (Depratment of ), UNITED NATIONS ECONOMIC AND SOCIAL AFFAIRS (Depratment of ), . 1971. Population and vital statistics report. New York: UN.
Harvard
UNITED NATIONS E. A. S. A. (. o. )., UNITED NATIONS E. A. S. A. (. o. )., . (1971). Population and vital statistics report. New York: UN.
MLA
UNITED NATIONS ECONOMIC AND SOCIAL AFFAIRS (Depratment of ), UNITED NATIONS ECONOMIC AND SOCIAL AFFAIRS (Depratment of ), . Population and vital statistics report. New York: UN. 1971.
