APA (7th ed.) Citation

Simpson, J. B., Pringle, J., & Richey, J. E. (1936). The geology of the Sanquhar coalfield and adjacent basin of Thornhill. H.M. Stationery Off..

Chicago Style (17th ed.) Citation

Simpson, J. B., J. Pringle, and J. E. Richey. The Geology of the Sanquhar Coalfield and Adjacent Basin of Thornhill. Edinburgh: H.M. Stationery Off., 1936.

MLA (8th ed.) Citation

Simpson, J. B., et al. The Geology of the Sanquhar Coalfield and Adjacent Basin of Thornhill. H.M. Stationery Off., 1936.