APA (7th ed.) Citation

(1993). Energy efficiency in transportation: Alternatives for the future. United Nations.

Chicago Style (17th ed.) Citation

Energy Efficiency in Transportation: Alternatives for the Future. New York: United Nations, 1993.

MLA (9th ed.) Citation

Energy Efficiency in Transportation: Alternatives for the Future. United Nations, 1993.

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