APA (7th ed.) Citation

Crawford, D. L. (1993). Microbial transformations of low rank coals. CRC Press.

Chicago Style (17th ed.) Citation

Crawford, Don L. Microbial Transformations of Low Rank Coals. Boca Raton: CRC Press, 1993.

MLA (9th ed.) Citation

Crawford, Don L. Microbial Transformations of Low Rank Coals. CRC Press, 1993.