Francis, W. (1954). Coal: Its formation and composition. E. Arnold.
Chicago Style (17th ed.) CitationFrancis, Wilfrid. Coal: Its Formation and Composition. London: E. Arnold, 1954.
MLA (9th ed.) CitationFrancis, Wilfrid. Coal: Its Formation and Composition. E. Arnold, 1954.
Warning: These citations may not always be 100% accurate.