APA (7th ed.) Citation

(1990). Clean combustion of brown coal and lignite: Report on the results of an international research project. United Nations.

Chicago Style (17th ed.) Citation

Clean Combustion of Brown Coal and Lignite: Report on the Results of an International Research Project. New York: United Nations, 1990.

MLA (9th ed.) Citation

Clean Combustion of Brown Coal and Lignite: Report on the Results of an International Research Project. United Nations, 1990.

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