APA Edition Citation

Fettweis, G. B. (1979). world coal resources. Elsevier scientific Co.

Chicago Edition Citation

Fettweis, Gunter B. World Coal Resources. Elsevier scientific Co, 1979.

MLA Edition Citation

Fettweis, Gunter B. World Coal Resources. Elsevier scientific Co, 1979.

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