APA (7th ed.) Citation

(1972). The coal situation in Europe in 1971 and its prospects. United Nations.

Chicago Style (17th ed.) Citation

The Coal Situation in Europe in 1971 and Its Prospects. United Nations, 1972.

MLA (9th ed.) Citation

The Coal Situation in Europe in 1971 and Its Prospects. United Nations, 1972.

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