APA (7th ed.) Citation

Clark, J., Caldon, J. H., & Curth, E. A. (1982). Thin seam coal mining technology. Noyes Data Corp..

Chicago Style (17th ed.) Citation

Clark, J., J. H. Caldon, and Ernest A. Curth. Thin Seam Coal Mining Technology. Park Ridge, N.J.: Noyes Data Corp., 1982.

MLA (9th ed.) Citation

Clark, J., et al. Thin Seam Coal Mining Technology. Noyes Data Corp., 1982.