APA (7th ed.) Citation

(2001). Footprints and milestones: Population and environmental change. United Nations Population Fund.

Chicago Style (17th ed.) Citation

Footprints and Milestones: Population and Environmental Change. New York: United Nations Population Fund, 2001.

MLA (9th ed.) Citation

Footprints and Milestones: Population and Environmental Change. United Nations Population Fund, 2001.

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